The politician who once best exemplified the idea of a "maverick" independent has shifted so far to the right that he is now tied for the title of the Senate's most conservative member, according to National Journal's 2010 vote ratings. According to a comprehensive examination of 96 Senate votes taken in 2010, Sen. John McCain, R-Ariz., along with seven of his colleagues, voted most often on the conservative side. His 89.7 composite conservative score ties him with stalwarts like Sen. Jim DeMint, R-S.C., and gives him a more conservative score than Sens. Tom Coburn, R-Okla., and Jeff Sessions, R-Ala. (snip)...