Some healthy soul searching is taking place in newsrooms across the country these days over whether the mainstream media should be covering President Trump’s every tweet and rally. My answer: Absolutely! It’s the right thing for us to do professionally, and, as last night’s election results indicated, it’s the right thing to do politically if you want to see a check on Donald Trump’s power.

It appears that it’s the toxic lying, bullying and unpresidential behaviors that Trump exhibits most in his rallies and tweets — which we in the media so incessantly cover — that is turning off the very moderate, best-educated Republicans and suburban women that Trump will need to hold the G.O.P. majority in the House, let alone get re-elected.

So bring on the coverage.

America’s unemployment rate is 3.9 percent, inflation for the moment is moderate, the stock market keeps setting records, and the president is coming off a crisis-defusing summit with North Korea. And yet, the latest RealClearPolitics average of polls shows Trump having a personal approval rating of only 43 percent, with 53 percent disapproving of his performance. And in a special election in Ohio held on Tuesday, the G.O.P. House candidate — whom Trump and the entire Republican establishment went to bat for — is barely ahead of his Democratic rival in a district that has not sent a Democrat to Congress in more than three decades.

That does not speak well for Trump or his midterm prospects, but it does for the American people and for thinking Republicans. It turns out there is still a cohort of Republicans who have not sold their souls to Trump the way virtually every one of their elected representatives in Washington has done.