If you've been lucky enough to occupy the driver's seat of a hybrid or electric vehicle you've surely enjoyed the bliss that comes from smoothly and silently pulling away from a stoplight. You've also, surely, run over at least a couple of pedestrians while doing it. (We hit at least eight of the poor souls during our latest Volt test drive.) Sadly, here comes John Kerry and the rest of the US Senate to ruin our Carmageddon-esque fun. The Senate has unanimously approved the Pedestrian Safety Enhancement Act,