A Biden-Harris campaign bus was surrounded on the highway Friday by a caravan of vehicles flying Trump flags. The incident rattled the Biden campaign, which canceled at least one event afterward.

The president makes five stops in five different swing states Sunday, while his Democratic rival focuses on Pennsylvania.

The effort is part of a widespread push by Republicans to reject new voter-accommodation strategies implemented because of the coronavirus pandemic.

This election season has brought a series of computer hacks and disinformation efforts. How do we distinguish between a real threat and a minor distraction?