Is the GOP preparing for 1964-style "politicide"?

First, the party is more split than at any time since Goldwater. I count at least four factions engaged in internecine battles for the mantle of “real Republican.” There are the Main Street/Wall Street balanced-budget, low-tax types; the social-cultural religious conservatives; the libertarian wing, still mostly focused on small government and low taxes, but some opposing foreign interventionism and favoring more personal liberty; and the neoconservative branch (actually a twig), which not only hasn’t found a war it doesn’t like but preaches oxymoronic big-government “compassionate conservatism.”…

Second, Republican rants against Mr. Obama reflect hatred not seen since Franklin D. Roosevelt was excoriated as a traitor to his class and Ronald Reagan was accused of throwing sick and hungry old people into the cold…

The bitterness with which Mr. Obama is bludgeoned reflects a tunnel vision that shouts the third reason Republicans are in danger of blowing a serious chance: They’re losing touch with the sensible center – independents and leaners watching the spectacle from the sidelines.

When Mr. Gingrich and Mr. Santorum assert that only they are conservative enough to provide a winning contrast to Mr. Obama, both reflect willful ignorance of how you must campaign for November, focusing on persuadables.