The president will mostly be deployed to the vital swing states of Pennsylvania, Michigan and Wisconsin as the vice president seeks to define a separate political identity.
The former Wyoming congresswoman, the most prominent Republican critic of Donald J. Trump, did not speak at Democrats’ convention, calculating that she could have more impact later in the race.
Donald J. Trump has been reposting racially and sexually charged insults of Kamala Harris, continuing a history of crass attacks. But in Ms. Harris, he may have found a particularly risky target.
For years, the Maryland governor has faced questions about whether he had wrongfully said he had a Bronze Star. He insisted no. But an old document proves otherwise.
The 2024 presidential race is the first in 24 years without a major American ground war, but Donald J. Trump continues to stoke division over the post-9/11 conflicts that helped give rise to his movement.