By choosing Joe Biden as his running mate, Barack Obama has done John McCain a pretty big favor. He could have chosen Hillary which would have blown the Democratic convention away. Or he could have chosen another woman like Kathleen Siebelus which would have been groundbreaking.Instead, he chose vanilla Joe Biden which means McCain's choice won't have to be a stretch. Just about anyone he chooses will stack up with the Delaware senator so no one can accuse him of picking someone less brilliant or less talented or with less "heft" than Biden.Having said this, what do you make of the fact that, according to Politico (who got the information from a campaign insider) that John McCain is considering Colin Powell as a running mate?Powell was among the possible vice presidential choices the Arizona Republican senator was thinking of when he said he would not rule out a supporter of abortion rights, a key adviser said. Campaign officials say McCain has told them not to discuss the...(Read Full Post)