Dana Perino of Fox News is about to face her biggest test as a journalist

Dana Perino can punch and parry with the best of them. But she could be better at ducking.

In 2008, when Ms. Perino was the White House press secretary for President George W. Bush, she got clocked in the face with a boom microphone in the scuffle that broke out after a journalist threw his shoes at Mr. Bush. ...

That kind of fracas — and the nearly two years she spent taking questions from reporters in the White House briefing room — may be good preparation for her next act: moderating the Republican presidential debate on Wednesday in Simi Valley, Calif.

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