The New York Times reports:

Even by President Trump’s standards, it was a rampage: He attacked a government whistle-blower who was telling Congress that the coronavirus pandemic had been mismanaged. He criticized the governor of Pennsylvania, who has resisted reopening businesses. He railed against former President Barack Obama, linking him to a conspiracy theory and demanding he answer questions before the Senate about the federal investigation of Michael T. Flynn.

And Mr. Trump lashed out at Joseph R. Biden Jr., his Democratic challenger. In an interview with a sympathetic columnist, Mr. Trump smeared him as a doddering candidate who “doesn’t know he’s alive.” The caustic attack coincided with a barrage of digital ads from Mr. Trump’s campaign mocking Mr. Biden for verbal miscues and implying that he is in mental decline.

That was all on Thursday.

Far from a one-day onslaught, it was a climactic moment in a weeklong lurch by Mr. Tru​mp back to ​​the darkest tactics that defined his rise to political power​. Even those who have grown used to Mr. Trump’s conduct in office may have found themselves newly alarmed by the grim spectacle of a sitting president deliberately stoking the country’s divisions and pursuing personal vendettas in the midst of a crisis that has Americans fearing for their lives and livelihoods.

Since well before he became president, Mr. Trump’s appetite for conflict has defined him as a public figure. But in recent days he has practiced that approach with new intensity, signaling both the depths of his election-year distress and his determination to blast open a path to a second term, even at the cost of further riling a country in deep anguish. [Continue reading…]