As Congress pursues its latest investigation of Hillary Rodham Clinton's missing emails and the role they may have played in the security lapses in the terrorist attack in Benghazi, Libya, not every Republican is delighted by the prospect of dragging her to Capitol Hill for a skewering.
Some see danger.
The Clintons have proved adept over the years at turning allegations of misdeeds in their favor. Voter uneasiness with their conduct has, in the past, yielded to voter distaste for the zealousness with which Republicans exploited it.
There are still memories of President Clinton's approval rating soaring above 64% within months of his impeachment by the House in...