 This is a special report from ABC News, the Republican National Convention. I'm Chuck Sievertson. Donald Trump has chosen a new, just serving two years so far, Ohio Senator as his running mate, J.D. Vance. Both are officially nominated at the convention in Milwaukee. This is not an exoneration, but a kind of technicality for a case not going away, says ABC's Christiane Cordero. The Justice Department has given Special Counsel Jack Smith permission to appeal today's dismissal of former President Trump's classified documents case, a