Senator Ted Cruz, unafraid of a shutdown (Charlie Neibergall/AP Photo) Sen. Ted Cruz (Charlie Neibergall/AP Photo)

Forty fruitless times House Republicans have voted to repeal Obamacare: That’s four-oh. Meanwhile, Sen. Ted Cruz (R-Fantasy Island) is leading a ragtag brigade to shut down the government unless the Affordable Care Act is defunded. None of these actions is going anywhere as long as the Democrats retain control of the Senate and, more importantly, as long as President Obama sits in the Oval Office. Three columns on The Post’s opinion pages make that abundantly clear.

“This is nuts,” my cantankerous colleague Charles Krauthammer writes about Cruz’s effort. “The president will never sign a bill defunding the singular achievement of his presidency.”  If an Obamacare bill did survive the Senate and go to the president, Eugene Robinson humorously notes that “President Obama would whip out the veto pen faster than you can say ‘preexisting conditions.’” And Michael Gerson adds, “A measure passed by a Democratic president, House and Senate (and approved by the Supreme Court) can be reversed only by a Republican president, House and Senate. And the picking of lopsided, losing fights makes this prospect less likely.”

But missing in all of the talk and scribbles about congressional Republican attempts to junk Obamacare is an explanation of what these GOP geniuses would replace the health care law with. They’ve gone from chanting “repeal and replace” to dropping the replace part altogether. Not that they actually had an idea to begin with. But at least now they are being linguistically honest. This sure is a sick way to govern.

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