Republican Donald Trump, Harris' rival in a tooth-and-nail election, was also due to take part in events to mark the anniversary of the surprise attacks by Hamas, in which 1,205 people were killed, most of them civilians, and 251 taken hostage. But with the Middle East on the verge of all-out war and protests planned at home, the commemorations also underscore Biden and Harris's apparent powerlessness to influence Benjamin Netanyahu's conduct of the war.
