Barack Obama has selected Delaware Senator Joseph Biden as his Vice Presidential running mate. From MSNBC:

A statement on Obama’s Web site said Biden “brings extensive foreign policy experience, an impressive record of collaborating across party lines, and a direct approach to getting the job done.”

In selecting Biden, Obama passed over several other potential running mates, none more prominent than former first lady Hillary Rodham Clinton, his tenacious rival in dozens of primaries and caucuses.

The decision is intended to give the Democratic ticket depth in areas Obama was labeled as weak by his Republican opponents — foreign policy and global security.

Obama has made a choice that will not alter one iota the electoral map so critical to his candidacy. A lot of factors go in to a choice like this, and second guessing is easy. But I have to think that this is a conservative, play it safe choice that may not help Obama where he most needs it. Battleground States.