“Unfortunately, I believe we're out of time; the time necessary to mount a winning campaign for the nomination," Biden said Wednesday afternoon in the Rose Garden, flanked by his wife Jill and President Obama.
Referring to the world as a “tinderbox", Trump attacked Clinton's record and explained to the crowd why he wants to face her.
"You know, when you have a baseball team or a football team, you sort of get your heart set on something," said Trump. "That's the one we want to go against because you go against that record....we’re going to win, we’re going to win big."
A large portion of the crowd was from out of state, including Wisconsin, Missouri, and Illinois. Nescha Dixon of Hannibal, Missouri drove two hours to see Trump.
Clinton is facing questioning about the Benghazi attacks Thursday and has denied wrongdoing.
Diane and Larry Baker, of Burlington, IA said they heard about the soldout rally from their local newspaper and like Trump "because he's not a politician." But, the Bakers said their still shopping for a candidate.
"I'm not sure if I'm going to vote for him because you can promise the world, but we'll see what happens.”
The real estate mogul will be making his first trip as a candidate to Florida this weekend, a stop in Miami Friday night followed by an afternoon rally in Jacksonville Saturday. Trump will return to Iowa next Tuesday, a day before the third GOP Primary debate.