After a beautiful Thanksgiving dinner with friends in Berkeley, we caught the bus home and managed to book a last minute ($12-a-day! WHAT!) rental car from SFO before falling asleep. In the morning we grabbed our outdoor gear and headed to pick up the car. The only car left was an adorable little white Fiat. We had wanted (to say we had planned would be an overstatement) to go to Yosemite but no rental companies would allow us to use the snow chains that Yosemite warned us may be required. Yosemite requires that visitors at least carry chains in their …