President Biden did a little jig to prove his wellness to reporters hours after he took a spill off his bicycle. Biden, 79, danced his brief two-step on the sidewalk outside St. Edmond Roman Catholic Church in Rehoboth Beach, Del., as he departed the parish’s regular 4 p.m. Saturday evening Mass. “How are you feeling, sir?” a member of the presidential press pool shouted as Biden strolled down the church’s front steps, video shows.