Go read Christopher Buckley's explanation of his NR resigation - its a fascinating look at how one conservative thinks of the "modern conservative movement."  The latter now apparently means, think as we tell you to think, and disloyalty must not be tolerated.  A lot of people are realizing that the current Republican leadereship, with its concentration of executive power, expansion of government spending, and theocratic totalitarian tendencies is not what used to be called the "Republican Party" just a few decades ago.

Buckley Bows Out of National Review - The Daily Beast

While I regret this development, I am not in mourning, for I no longer have any clear idea what, exactly, the modern conservative movement stands for. Eight years of “conservative” government has brought us a doubled national debt, ruinous expansion of entitlement programs, bridges to nowhere, poster boy Jack Abramoff and an ill-premised, ill-waged war conducted by politicians of breathtaking arrogance. As a sideshow, it brought us a truly obscene attempt at federal intervention in the Terry Schiavo case.