http://twitter.com/#!/BuffySummers_96/status/492353073063288832 President Obama was in L.A. yesterday for some very important presidential business. Just kidding! He was fundraising, natch. And, just like so many times before, making L.A. traffic even more hellacious than usual. “Buffy the Vampire Slayer” actress Sarah Michelle Gellar was just trying to run some errands. Obama had other plans: http://twitter.com/#!/RealSMG/status/492352834990379008 Typical.…