کنوانسیون جمهوری خواهان دالاس: چگونه ترامپ در میان دوره ای ظاهر می شود

Dallas Republican convention: How Trump looms over midterms

Donald Trump is not on the ballot in the midterm elections — but the first Republican midterm convention is putting him center stage. It's a strategy that could prove risky for the party.