Why did Vice President-elect Joe Biden swear in for a 7th Senate Term today?

He's going to have to resign in two weeks, so why did he bother swearing in? Also, who will replace him in the Senate?

Public Comments

1. so he can travel to asia as a senator to conduct state business
2. He is following the letter of the law....I would expect that from this guy
3. Because he wanted to. http://answers.yahoo.com/question/index?qid=20090106171224AA3WB7s&r=w
4. I don't think Biden should ever be swearing in the senate.
5. junket
6. so he can work until he's replaced.