It’s been a looong day, but I’m in San Francisco! After getting out of bed at 4 a.m. ET to catch a 7:15 flight out of JFK…I’ve had quite a day already and I’m trying to stay awake a few more hours to help with the time zone change. A few comments on my first day: I’m an idiot. Looking at the map, the walk from the Powell St. BART station to my hotel looked like "only ten blocks" which isn’t much of anything in NYC. So I decided to walk instead of taking a cab. Let’s just say that…