CNN: Politicians are eyeing oil profits like a fat juicy glazed ham. With all the money Big Oil is making – the top five publicly traded firms pocketed over $120 billion in 2007 alone – and with an election on the horizon, it’s easy to see why. The leading Democratic presidential candidates want a windfall profits tax to do various things, and although their plans differ slightly they generally want to use the money to give Americans a break from skyrocketing energy prices and …