When U.S. presidential candidate
Joe Biden went to an Iowa university to campaign this week, one thing was in short supply: students who support him.
Biden, 77, joked that it can be difficult to get college students to show up before 4 p.m. and, indeed, a few more young people appeared at a later campaign event at the University of Iowa.
"I'm the only one that gets a significant portion of the young vote, as well as the old vote, in-between vote, black vote, Hispanic vote, all the vote," Biden said.