 She is to testify next week before the Republican-led House Oversight Committee. That's NPR's Giles Snyder reporting. Donald Trump made his first public appearance last night since Saturday's attempted assassination at that rally in Pennsylvania. Trump had a large bandage on his right ear as he walked on stage at the Republican National Convention in Wisconsin and waved to cheering delegates. Trump was flanked by several people, including his vice presidential running mate, Republican Senator J.D. Vance of Ohio.