Brake, gas, brake gas, Ben Affleck, brake, gas, brake, gas, brake, gas, Iraq, brake, gas, brake, gas, mattress liquidation sale, brake, gas, brake, Hmmm… Looks like rain, gas, brake, gas, brake, gas, Jessica Simpson, gas, brake, gas, brake, gas, brake, gas, brake, gas, brake, gas, Coors Light, gas, brake, gas, brake, gas, brake, gas, brake, gas, brake, gas.  You snap out of a mild daze to notice that the traffic light 100 feet in front of you has just turned yellow.  It'll be a close call.  Do you go for it, or do you hit the brakes?