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(CNN) The grieving began quickly after the mass murder of 49 worshipers at two mosques in New Zealand Friday, and so did the debate about what awfulness could lay behind such a catastrophe.

It hit home for, a New Zealand psychologist and university lecturer who studies rapidly changing, multicultural nations — like her own. The shootings in peaceful Christchurch, her hometown, make her "grieve for our loss of innocence," she wrote. "We should be looking to the broader global environment to understand how the seeds of hatred are being spread to all corners of the world -- and have now infiltrated some of these places that we thought were immune."

The accused terrorist is clearly a man of his time , wrote, since the atrocity combines "three emerging trends in the West: attacks against Muslim targets, the use of social media as a platform for terrorists to share livestream videos, and the violent targeting of houses of worship."

Muslims speak out

Muslims were outraged, though unsurprised. " We run your convenience store, drive your cabs , feed you late-night food when you've had a drink or look after you when you're ill. We serve our communities," wrote British political commentator. "Yet we have become the victims of harassment, hatred and now terrorism."

Dean Obeidallah noted that the news media have too long downplayed noted that the news media have too long downplayed the dangers posed to Muslims by politicians who demonize them — "like President Donald Trump, media figures and others -- without any consequence in terms of their electoral prospects or careers."

Omar Suleiman recalled taking his kids to a synagogue in Dallas the night after the massacre at Tree of Life in Pittsburgh "to grieve and show solidarity with the Jewish community." He wrote: "the message we must both live and give our children is one of resilience. That Imamrecalled taking his kids to a synagogue in Dallas the night after the massacre at Tree of Life in Pittsburgh "to grieve and show solidarity with the Jewish community." He wrote: "the message we must both live and give our children is one of resilience. That they should wear their hijabs and yarmulkes with pride , embrace each other as people, and face this bigotry with perseverance."

A President's tone

The White House quickly condemned the Christchurch massacre, but was soon facing questions about President Trump's failure once again to acknowledge the spread of white nationalism.

Julian Zelizer. After the 1995 Oklahoma City bombing by white nationalists, Clinton denounced the He could learn something from President Bill Clinton, suggested. After the 1995 Oklahoma City bombing by white nationalists, Clinton denounced the "loud and angry voices in America" spreading hate , wrote Zelizer. "The debates about his words were less about a lack of empathy than his willingness to give a tough appraisal of the climate that fueled extremism."

Joe Lockhart, now a CNN political commentator, urged close attention to Trump's words earlier in the week. In an interview with Breitbart, the President hinted that his "tough" supporters in the military, police and Bikers for Trump could retaliate against his critics: " Clinton's former White House press secretary, now a CNN political commentator, urged close attention to Trump's words earlier in the week. In an interview with Breitbart, the President hinted that his "tough" supporters in the military, police and Bikers for Trump could retaliate against his critics: " and then it would be very, very bad ." Lockhart asked: "Should we all care that our coarse President is threatening Democrats with Bikers for Trump? Probably not. Should we all care that we've become numb to all this? Absolutely...this is dangerous."

John Kasich, also a Republican, had pressed them: Trump also faced pushback from members of his own party Thursday, with 12 Republicans joining Democrats to pass legislation canceling Trump's national emergency, declared to build his Mexico border wall. Former Ohio Gov., also a Republican, had pressed them: "It's time for Republicans in Congress to put country over party ." On Friday, Trump vetoed their bill.

St. Patrick's Day: not just about the Irish

Colleen Hennessy said her two Irish-born children will proudly wear "their green and gold Kerry Gaelic Athletic Association jerseys and revel in the one-day celebrity status being Irish in America gives them on St. Patrick's Day." But Hennessy, the Irish-American wife of a formerly undocumented Irish husband, is thinking about immigration.

"It is my hope that while the 34 million of us who claim Irish ancestry sip Guinness and boil cabbage...we also consider our role in honoring the experience of millions of Irish refugees throughout history by insisting on policy that reflects the facts of our nation, policy that creates incentives for safe and efficient legal immigration options that match today's global workforce and economy ."

College scam

Federal prosecutors last week exposed what they said were the ridiculously expensive (and highly criminal) exertions made by some ridiculously rich parents to guarantee their kids' acceptance into elite universities.

Shan Wu. Two Hollywood stars, some CEOs, doctors, lawyers and several other powerful parents face charges in an alleged fraud-and-bribery scheme that spotlights " how hollow the ideology of meritocracy in American higher education is ," wrote

Actors Lori Loughlin ("Full House") and Felicity Huffman ("Desperate Housewives") were the best known of the 33 parents accused of paying William Singer millions for scams that included photoshopping kids' faces onto athletes' bodies, faking disability, getting stand-ins to take the ACT, and bribing test proctors. The goal: admission to places like Yale, Stanford, USC and Georgetown.

David Perry. "If someone can get their kid into Harvard by buying a building," Perry wrote, "the scandal isn't just what's illegal, but what's legal as well." Why did rich parents even bother ? "Legacy" admissions, expensive tutors and college prep courses already give them a leg up, wrote. "If someone can get their kid into Harvard by buying a building," Perry wrote, "the scandal isn't just what's illegal, but what's legal as well."

Asha Rangappa, the former admissions dean at Yale Law. She worried about "future talented college applicants from underprivileged backgrounds who may opt out of reaching for the most selective schools, Coaches, university officials and others were also implicated. That's painful, wrote, the former admissions dean at Yale Law. She worried about "future talented college applicants from underprivileged backgrounds who may opt out of reaching for the most selective schools, believing that the deck is already stacked against them ."

Beto O'Rourke muscles in

With a folksy video (and a gushy Vanity Fair profile), Beto O'Rourke officially entered the 2020 presidential race this week—and swiftly put his foot in his mouth. His wife, Amy, is "raising, sometimes with my help," their three kids, he told a crowd in an Iowa coffee shop shortly after announcing his run.

Kara Alaimo. O'Rourke apologized for the line, which he's used before, but that kind of helper-not-partner characterization reinforces "the still-widespread idea that moms should shoulder the primary responsibility for raising kids" a stereotype that holds women back in the workforce, she argued. Can't imagine a female candidate getting away with such a statement ," one commenter tweeted. Exactly, wrote. O'Rourke apologized for the line, which he's used before, but that kind of helper-not-partner characterization reinforces "the still-widespread idea that moms should shoulder the primary responsibility for raising kids" a stereotype that holds women back in the workforce, she argued.

Pete Buttigieg of South Bend, Ind., saw a surge of donations after his well-received CNN town hall Sunday night. In a CNN Opinion piece, he lamented that "Americans have been offered Another 2020 contender, Mayorof South Bend, Ind., saw a surge of donations after his well-received CNN town hall Sunday night. In a CNN Opinion piece, he lamented that "Americans have been offered a vision of greatness that means turning back the clock . We need big, bold policies that are shaped by what we want our country to look like generations from now."

Michael D'Antonio drew a sharp contrast between the mayor and another Hoosier in public life: drew a sharp contrast between the mayor and another Hoosier in public life: Buttigieg is the human rebuttal to everything Mike Pence stands for , he wrote.

Some other smart 2020 takes:

You told us your stories (thanks!)

Reyna Grande commentary. She wrote of learning English as a young Mexican immigrant Jane Carr and Jhodie-Ann Williams, who curated the responses. We asked readers to respond to acommentary. She wrote of learning English as a young Mexican immigrant and rejecting her "mother tongue" —and, for a while, her own (Spanish-speaking) mother. Reader feedback was tremendous--"diverse and powerful," marveled CNN Opinion'sand, who curated the responses.

Bakir Brown, of Richmond, Virginia, "was first introduced and fell in love with [Spanish] by watching 'Sesame Street.' I just loved how the words just literally rolled off the tongue. It was beautiful."

Nadezhda Ayala, from San Antonio, came to the US from the Soviet Union, and recalls "translating for my parents and getting frustrated that they were not understanding something simple... It was not until I visited my birth country 18 years later as a 20-year-old that I truly appreciated the ability to communicate with my grandmother and family in Belarus."

Tucker Carlson's pre-existing condition

Jill Filipovic observed. But that didn't make it any less shocking last week to hear the Fox News host in newly unearthed on-air radio conversations between 2006 and 2011 downplaying child rape, defending an imprisoned child rapist, calling various prominent women "white whores," "c***y," ugly and pigs, and warning about being castrated by Hillary Clinton. Filipovic noted: Carlson didn't apologize and neither did Fox, giving the rest of us a simple choice. Fox is " "It is not breaking news that Tucker Carlson has a sexism problem,"observed. But that didn't make it any less shocking last week to hear the Fox News host in newly unearthed on-air radio conversations between 2006 and 2011 downplaying child rape, defending an imprisoned child rapist, calling various prominent women "white whores," "c***y," ugly and pigs, and warning about being castrated by Hillary Clinton. Filipovic noted: Carlson didn't apologize and neither did Fox, giving the rest of us a simple choice. Fox is " a propaganda network catering to a largely hateful audience. Turn them off ."

Justin Trudeau's "Lav-Scam"

Michael Bociurkiw. "He is also defending himself against accusations of political interference with the top prosecutor in the land over a criminal case involving one of Canada's largest companies," SNC-Lavalin. Election Day is October 21, Bociurkiw noted. Four years ago Justin Trudeau was Canada's dreamboat—a telegenic, liberal, feminist, photo-bombing and forward-looking prime minister. Today? "Trudeau has lost two of his star female cabinet ministers, both resigning with claims that his government has lost its moral compass," wrote. "He is also defending himself against accusations of political interference with the top prosecutor in the land over a criminal case involving one of Canada's largest companies," SNC-Lavalin. Election Day is October 21, Bociurkiw noted. Can the "golden boy of Canadian politics...shed the impression of backroom sleaze, business-as-usual politics " in time to win?

Boeing under scrutiny

Les Abend, that bore " A Boeing 737 crashed in Ethiopia last Sunday, killing all 157 aboard—a disaster, wrote former airline pilot, that bore " uncomfortably similar characteristics " to a crash of the same type of plane last fall in Indonesia. Both jets were Boeing's 737-800 MAX, and both had pilots struggling to control their ascent at takeoff, before crashing minutes later, he wrote.

After waiting three days, President Trump and the Federal Aviation Administration gave in to pressure and joined more than 40 other countries in grounding the "Max 8" planes.

Talmon Joseph Smith, in The New York Times, suggested the delay might have had something to do with " , in The New York Times, suggested the delay might have had something to do with " the close relationship that Boeing, a major political force in Washington and a large government contractor, has with American officials ."

Bomb cyclone? Oh, yes, it's real

Don Lincoln to explain: Normally, atmospheric pressure changes about 12 millibars over 24 hours. "To be a bomb, the pressure must change by one millibar or more per hour for at least 24 hours." This one had a pressure change of 33 millibars from Tuesday to Wednesday--and was accompanied by 100 mph winds. That's a bomb cyclone. March can come "in like a lion and out like a lamb," Lincoln observed. "If that's true, I think that this year we can look forward to a glorious April. The ferocious winter storm that pummeled the Midwest with hurricane-force winds and blizzard conditions was awful. But did it really rate its terrifying sounding moniker—bomb cyclone ? Allow physicistto explain: Normally, atmospheric pressure changes about 12 millibars over 24 hours. "To be a bomb, the pressure must change by one millibar or more per hour for at least 24 hours." This one had a pressure change of 33 millibars from Tuesday to Wednesday--and was accompanied by 100 mph winds. That's a bomb cyclone. March can come "in like a lion and out like a lamb," Lincoln observed. "If that's true, I think that this year we can look forward to a glorious April.

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