Biden and Trump Will Observe 9/11 With Trips to New York and Pennsylvania

Joseph R. Biden Jr. will travel to New York and Pennsylvania on Friday to commemorate the 19th anniversary of the Sept. 11 terrorist attacks as he and President Trump put forth radically different visions of what it means to comfort a nation in mourning.

Mr. Biden and his wife, Jill Biden, will attend the National September 11 Memorial & Museum’s commemoration ceremony before traveling to Shanksville, Pa., where a campaign statement said that they would “pay their respects to the victims of Flight 93,” the plane that was hijacked and...