Senator Tim Johnson of South Dakota, best known for having a blood vessel bust in his head when he wasn’t even angry, is joining the stiffest Senator since Larry Craig left that airport bathroom in endorsing Obama today, just in time for the South Carolina primary. Once again, we’re pretty sure South Carolinians don’t care who a brain-damaged Senator from South Dakota thinks they should vote for, but that’s just us. Any South Carolinians on that roster, Barry? [MSNBC]