Biden delivers emotional speech to families of fallen troops

“I probably shouldn’t say this with the press here, but no, but it’s more important. You’re more important. For the first time in my life, I understood how someone could consciously decide to commit suicide," he said.

"Not because they were deranged. Not because they were nuts. Because they had been to the top of the mountain, and they just knew in their heart they would never get there again," Biden said. "That there was never going to get — never going to be that way again.

"That's how an awful lot of you feel."

Read more on The Hill's Ballot Box blog.