"Blowin' in the wind"

The reason we don't know where McCain, Obama or Clinton stand on alternative energy is because each of them is afraid to take a strong stand. They say all the right phrases, like "global warming," but where is the beef?

http://digits.hrblock.com/ssDigits/digits.php?rType=1&sPath=1665,1942&sNode=1942&uId=279