Trump and Vance campaign together in Michigan, while Harris raises money on Cape Cod. Here’s the latest.

In his first campaign rally since the attempt on his life, former President Donald J. Trump, joined by his new running mate, Senator JD Vance of Ohio, repeatedly lashed out at Democrats, calling President Biden and his administration “stupid.”

Mr. Trump’s speech in Grand Rapids, Mich., which lasted more than 100 minutes, suggested that the call for national unity in the wake of last week’s shooting, at a rally in Pennsylvania, had fully faded. He and Mr. Vance sought to extend the momentum for their campaign after their official nomination at the Republican National Convention in Milwaukee this week, while President Biden faced growing Democratic pressure to drop out of the race.

At his rally, Mr. Trump attacked Democrats over their trade, immigration and other policies, and hurled insults at the president, the vice president and former House Speaker Nancy Pelosi.

Mr. Vance took the stage first at the event for the new G.O.P. ticket and drew on his personal rags-to-riches story to connect with voters in the battleground state. He fired up the crowd for Mr. Trump and walked off to a standing ovation — no easy feat for a man who attended the Michigan rival Ohio State.

While recovering from Covid at his house in Rehoboth Beach, Del., Mr. Biden has become increasingly resentful of calls from Democratic lawmakers to end his re-election campaign, viewing them as part of an orchestrated effort by onetime allies, including former President Barack Obama and Representative Nancy Pelosi, the former House speaker.

Ms. Pelosi, who has privately told the president that she does not think he can win re-election, also recently told colleagues that she would favor a “competitive” open primary to replace Mr. Biden if he were to end his