Sen. Cory Booker Cory Anthony BookerSunday shows preview: Lawmakers prepare for SCOTUS confirmation hearings before election The movement to reform animal agriculture has reached a tipping point Watchdog confirms State Dept. canceled award for journalist who criticized Trump MORE (D-N.J.) expressed anger Wednesday following fellow Sen. Kamala Harris Kamala HarrisPelosi: Trump Supreme Court pick 'threatens' Affordable Care Act What Kamala Harris' VP nomination means to us Harris slams Trump's Supreme Court pick as an attempt to 'destroy the Affordable Care Act' MORE (D-Calif.) dropping out of the Democratic presidential primary race Tuesday.

"It’s a damn shame, frankly, that Kamala Harris’s voice is no longer in this race," Booker told BuzzFeed News's AM to DM.

“I’ve seen the bile, the anger, from my family members, to people in the Congressional Black Caucus, to leaders of color across this country who just don’t understand how we’ve gotten to a point now where there’s more billionaires in the 2020 race than there are black people,” Booker added.

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"We just don't understand how we've gotten to a point now that there's more billionaires in the 2020 race than there are black people." @CoryBooker responds to Sen. Kamala Harris dropping out of the race pic.twitter.com/QrgEoM5dio — AM2DM by BuzzFeed News (@AM2DM) December 4, 2019

Harris, considered to be one of the most promising candidates in the beginning of the primary race, suspended her campaign Tuesday due to a shortage of campaign funds.

"My campaign for president simply doesn’t have the financial resources we need to continue," she said in a statement.

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Harris, Booker and former Massachusetts Gov. Deval Patrick Deval PatrickRalph Gants, chief justice of Massachusetts supreme court, dies at 65 It's as if a Trump operative infiltrated the Democratic primary process Top Democratic super PACs team up to boost Biden MORE are the only remaining black candidates in the 15-person field. Rep. Tulsi Gabbard Tulsi GabbardRepublicans call on DOJ to investigate Netflix over 'Cuties' film Hispanic Caucus campaign arm endorses slate of non-Hispanic candidates Gabbard says she 'was not invited to participate in any way' in Democratic convention MORE (D-Hawaii), former Housing and Urban Development Secretary Julián Castro and businessman Andrew Yang Andrew YangBiden's latest small business outreach is just ... awful Doctor who allegedly assaulted Evelyn Yang arrested on federal charges The Hill's Campaign Report: Biden weighs in on police shootings | Who's moderating the debates | Trump trails in post-convention polls MORE are the only other people of color in the race.

Castro has also spoken out about Harris's exit, saying Tuesday that the media held Harris to "a different standard."

Two billionaires, Tom Steyer Tom SteyerTV ads favored Biden 2-1 in past month Inslee calls Biden climate plan 'perfect for the moment' OVERNIGHT ENERGY: Trump administration finalizes plan to open up Alaska wildlife refuge to drilling | California finalizes fuel efficiency deal with five automakers, undercutting Trump | Democrats use vulnerable GOP senators to get rare win on environment MORE and former New York Mayor Michael Bloomberg Michael BloombergBloomberg rolls out M ad buy to boost Biden in Florida Democratic groups using Bloomberg money to launch M in Spanish language ads in Florida Bloomberg pays fines for 32,000 felons in Florida so they can vote MORE, are still in the primary race, and Steyer has qualified for this month's Democratic debate.

According to RealClearPolitics's average of polls, Steyer is polling nationally at 1.4 percent. By comparison, Booker, who hasn't qualified for this month's debate yet, is polling at 2 percent.

To qualify for the Dec. 19 debate, Booker has to reach two Democratic National Committee benchmarks by Dec. 12: Over 200,000 unique campaign donors and four polls showing him with the support of at least 4 percent of voters.

Booker also criticized these requirements to BuzzFeed.

"To have some artificial rules that would’ve cut out Jimmy Carter Jimmy CarterTexas Democrats roll out first wave of planned digital ads as Election Day nears Chris Matthews ripped for complimenting Trump's 'true presidential behavior' on Ginsburg Warning signs flash for Lindsey Graham in South Carolina MORE, that would’ve cut out Bill Clinton William (Bill) Jefferson ClintonHarris: Ginsburg 'absolutely' cleared the path for me Anxious Democrats amp up pressure for vote on COVID-19 aid Barr's Russia investigator has put some focus on Clinton Foundation: report MORE likely, that even Obama, who was 20 points behind Hillary Clinton Hillary Diane Rodham ClintonThe Memo: Trump furor stokes fears of unrest Bloomberg rolls out M ad buy to boost Biden in Florida Hillicon Valley: Productivity, fatigue, cybersecurity emerge as top concerns amid pandemic | Facebook critics launch alternative oversight board | Google to temporarily bar election ads after polls close MORE at this point, in terms of what the polls say is viability — the polling has never predicted who would go on and win from our party," Booker said.