In other words, the radical right wing of today's GOP isn't that much different from the social conservatives who began asserting themselves in the Party during the 1990s, and, before them, the "Willie Horton" conservatives of the 1980s, and, before them, Richard Nixon's "silent majority."
Through most of these years, though, the GOP managed to contain these white, mainly rural and mostly Southern, radicals. After all, many of them were still Democrats. The conservative mantle of the GOP remained in the West and Midwest -- with the libertarian legacies of Ohio Senator Robert A. Taft and Barry Goldwater, neither of whom was a barn-burner -- while the epicenter of the Party remained in New York and the East.
But after the Civil Rights Act of 1964, as the South began its long shift toward the Republican Party and New York and the East became ever more solidly Democratic, it was only a matter of time. The GOP's dominant coalition of big business, Wall Street, and Midwest and Western libertarians was losing its grip.
The watershed event was Newt Gingrich's takeover of the House, in 1995. Suddenly, it seemed, the GOP had a personality transplant. The gentlemanly conservatism of House Minority Leader Bob Michel was replaced by the bomb-throwing antics of Gingrich, Dick Armey, and Tom DeLay.
Almost overnight Washington was transformed from a place where legislators tried to find common ground to a war zone. Compromise was replaced by brinkmanship, bargaining by obstructionism, normal legislative maneuvering by threats to close down government -- which occurred at the end of 1995.
Before then, when I'd testified on the Hill as Secretary of Labor, I had come in for tough questioning from Republican senators and representatives -- which was their job. After January 1995, I was verbally assaulted. "Mr. Secretary, are you a socialist?" I recall one of them asking.
But the first concrete sign that white, Southern radicals might take over the Republican Party came in the vote to impeach Bill Clinton, when two-thirds of senators from the South voted for impeachment. (A majority of the Senate, you may recall, voted to acquit.)
America has had a long history of white Southern radicals who will stop at nothing to get their way -- seceding from the Union in 1861, refusing to obey Civil Rights legislation in the 1960s, shutting the government in 1995, and risking the full faith and credit of the United States in 2010.
Newt Gingrich's recent assertion that public officials aren't bound to follow the decisions of federal courts derives from the same tradition.
This stop-at-nothing radicalism is dangerous for the GOP because most Americans recoil from it. Gingrich himself became an object of ridicule in the late 1990s, and many Republicans today worry that if he heads the ticket the Party will suffer large losses.
It's also dangerous for America. We need two political parties solidly grounded in the realities of governing. Our democracy can't work any other way.
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