Former Massachusetts Gov. Mitt Romney, who's eyeing another White House bid in 2012 after an unsuccessful run in 2008, endorsed former Virginia Attorney General Bob McDonnell for governor on Wednesday. -snip- Romney was also asked whether he would make an endorsement in the House of Representative race in New York's 23rd district, where Republican nominee in New York's 23rd is Dede Scozzafava, a state assemblywoman, is facing a threat from the right. "I have chosen not to endorse the Republican candidate in New York's 23rd District, "Romney said, "and that should speak a certain amount of volume. I can't endorse...