Who became Vice President at the US Presidential election on 4 November 2008?

Explanation

Joe Biden is the 47th Vice President of the US - he was sworn in with Barack Obama in January 2009. He is a Democrat, and before his nomination as Vice President he was a Senator for his home state Delaware, a position he had had since he was elected as the 6th youngest Senator ever. He tried to become the Democratic presidential candidate both in 1988 and 2008, but both times gave up during the course of the election campaign.