For the past 20 years, American politics has been defined by Republican revolt. The rightwing radicalism that now worries the whole world first emerged in response to Bill Clinton’s election in 1992. It is not that Republicans were never extreme before that time; their challenge to the legitimacy of federal authority traces back to proslavery attempts at nullification and segregationist assertions of states’ rights. But it was 20 years ago that the Congressional wing of the Grand Old Party, led by Newt Gingrich, adopted belligerent non-co-operation as its defining stance.
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