 Delegates erupted as Trump entered this hall to Lee Greenwood, giving a live performance of God Bless the USA. Trump wore a white square bandage on his right ear. Stephen Portnoy, ABC News, at the Republican Convention in Milwaukee. Let's stay in Milwaukee as the debate continues over the selection of J.D. Vance and what he brings to the Republican tickets. The Ohio senator, a one-time Marine, turned author, says ABC's Barry Rusum.