Biden's Comments

“Watch, we’re gonna have an international crisis, a generated crisis, to test the mettle of this guy," Biden said. "And he’s gonna have to make some really tough -- I don’t know what the decision’s gonna be, but I promise you it will occur. As a student of history and having served with seven presidents, I guarantee you, it’s gonna happen.”

“They're going to want to test him, just like they did young John Kennedy,” he said Saturday night in San Francisco.” They're going to want to test him. And they're going to find out this guy's got steel in his spine.”