Sen. John McCain

Arizona's new senator says he'd vote to repeal the nation's health care law. That's one additional Republican ready to obliterate the statute because his…

Arizona Sen. John McCain is the second Republican to oppose the legislation, after Kentucky Sen. Rand Paul came out against it last week. If one more GOP senator is against the bill, it cannot pass.

Sen. John McCain (R-Ariz.), who interrupted brain cancer treatment to return to Capitol Hill and advance the health law repeal efforts, cast the dramatic…