Carol Platt Liebau

Given his record, it’s entirely possible that a President McCain could get a lot done with a Democratic Congress. The problem is that his “achievements” could become the stuff of conservative nightmares. Any Republican more comfortable taking questions from Tim Russert than Sean Hannity is hardly well-positioned to resist leftward pressures from the Washington establishment.

Conservatives must be aware that, liberated from the constraints imposed on him by a campaign, a President McCain would lack any incentive to continue even the grudging outreach he’s offered them so far. What’s more, McCain surely would know, given the gravity of the issue, that he could count on Republican support for a vigorous prosecution of the war on terror – along with a few Democrats who would, no doubt, gladly help him out in exchange for his support on an important domestic issue.

Given his admirable record in the war on terror, even a President McCain is infinitely preferable to any Democrat alternative. But any Republicans who support McCain in the primaries should understand that they risk driving conservatism to the sidelines at home.

Carol Platt Liebau

Carol Platt Liebau is an attorney, political commentator and guest radio talk show host based near New York. Learn more about her new book, "Prude: How the Sex-Obsessed Culture Hurts Young Women (and America, Too!)" here.