Who had the Worst Week in Washington? Christine O’Donnell.

Christine O’Donnell is really testing the limits of Andy Warhol’s 15-minutes-of-fame maxim.

O’Donnell burst onto the political scene in 2010 when she beat longtime Rep. Mike Castle in a Delaware Senate primary, securing the Republican nomination and ensuring her party’s defeat in November.

Worst Week in Washington

Chris Cillizza grants the award to the Democrat, Republican, West Wing dweller, Capitol Hill insider, K Street dealer, business guru, sports hero, think tank scribblers or other inhabitant of Planet Beltway who experienced the absolute worst week.

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Not content to simply step out of the political limelight — she had lost two previous Senate races in the First State — O’Donnell has written a book documenting her experiences on the campaign trail in 2010.

But her book tour is off to a rough start. And that’s being generous.

O’Donnell’s baffling interview this week with CNN’s Piers Morgan is the stuff of which legends — in a bad way — are made.

After Morgan asked her several times to discuss gay marriage, O’Donnell shut the interview down — while the cameras were still rolling — but not before she uttered this instant classic: “Don’t you think as a host, if I say this is what I want to talk about, that’s what we should address?” (Uh, no.)

O’Donnell also hung up in the middle of an interview with a Utah radio station after the hosts questioned how significant her primary victory over Castle actually was.

Interviews aside, the book itself (“Troublemaker: Let’s Do What It Takes to Make America Great Again”) hasn’t fared all that well, either. Several of the incidents she recounts in the book — a fundraiser in which Mississippi Gov. Haley Barbour allegedly praised her (an audio recording of the event doesn’t feature said praise), whether or not her campaign approved the “I am not a witch” ad — may not be totally, well, true.

O’Donnell may have the last laugh, though. Her book is currently ranked 3,819 on Amazon. Wait. . .

Christine O’Donnell, for not leaving the stage after the spotlight moved on, you had the worst week in Washington. Congrats, or something.

Have a candidate for Worst Week in Washington? E-mail Chris Cillizza at chris.cillizza@wpost.com.

Can’t remember who “won” worst week last week?

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