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enlarge It’s a scary time, when the Republican Party moves further to the right each day . While this may be good for Democrats at least some of the time, it’s really not good for our country. It makes the possibility of an actual right-wing takeover that much more plausible: In an age when far-right tea party activists have taken over the Republican Party and demanded lockstep allegiance, Sen. Richard Lugar (R-IN) has been one of the few GOP lawmakers to step out of line. In particular, Lugar, the ranking GOP member on the Senate Foreign Relations Committee, has blasted his own party for relentlessly blocking ratification of the New START nuclear arms treaty with Russia, calling on his fellow GOP senators to “ do your duty for your country ” and complete the pact. Not surprisingly, this insubordination has earned Lugar significant scorn within the Republican base, which now seems to value blind obedience over principled independent decision-making. In a New York Times profile of Lugar published today, former GOP Sen. John Danforth feared that the backlash against Lugar from his own party signals that the GOP has gone “ far overboard ” with no hope of turning back: “If Dick Lugar,” said John C. Danforth, a former Republican senator from Missouri, “having served five terms in the U.S. Senate and being the most respected person in the Senate and the leading authority on foreign policy, is seriously challenged by anybody in the Republican Party, we have gone so far overboard that we are beyond redemption .” Mr. Danforth, who was first elected the same year as Mr. Lugar, added, “I’m glad Lugar’s there and I’m not.” Danforth’s fears are not unfounded. Lugar, who is up for reelection in 2012, has already been targeted by tea party groups . “If I was Dick Lugar, I would certainly expect a challenge ,” noted veteran political analyst Stuart Rothenberg. As Diane Hubbard, a spokeswoman for the Indianapolis Tea Party, told the Times, removing Lugar “will be a difficult challenge. But we do believe it’s doable, and we think the climate is right for it and we believe it is a must.”