The AP's Ron Fournier says the pick shows "lack of confidence."
Time examines "six key" unflattering moments
The San Diego Union Tribune highlights his gaffes, like "I exaggerate when I'm angry."
Politico headline here is: A Statesman Known for the Slip of the Tongue
McCainiacs immediately launch a :30 second web ad showing clips of Biden bashing Obama's inexpereince during the Dem primaries and praising John McCain, even saying he'd be honored "to run with or against John McCain because I think the country would be better off."