The list of Republicans backing (or more or less backing, or a reasonable facsimile of backing) health reform efforts by President Obama and the Democratic-led Congress is growing:

California Gov. Arnold Schwarzenegger.

Former HHS Secretary and former Wisconsin Gov. Tommy Thompson (a Bush appointee).

Former CMS administrator and FDA Commissioner Mark McClellan (ditto).

Former Senate Majority Leaders Bill Frist, Bob Dole and Howard Baker.

New York City Mayor Michael Bloomberg (Democrat turned Repubilcan turned independent).