RANDOM BIDEN-RELATED OBSERVATIONS…. While the political world digests the big announcement about Joe Biden joining Barack Obama on the Democratic ticket, I thought I’d pass along a few random observations.

First, Obama/Biden is only the second Democratic ticket in the last 35 years not to have at least one candidate from the South.

Second, if Obama/Biden wins in November, Biden will be the first Roman Catholic vice president in American history.

And third, Biden happens to be up for re-election in Delaware this year. As I understand it, he will, like Joe Lieberman in 2000, run simultaneously for both seats.

Just thought I’d pass these along.

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Follow Steve on Twitter @stevebenen. Steve Benen is a producer at MSNBC's The Rachel Maddow Show. He was the principal contributor to the Washington Monthly's Political Animal blog from August 2008 until January 2012.