Ever eager to provoke, Rush Limbaugh has now succeeded into drawing the White House into a skirmish. The spark: Limbaugh telling his talk show fans that a law student was a "slut" for her testimony to Congress about the need for birth control coverage. On Friday, two days after Limbaugh's tirade, President Barack Obama called student Sandra Fluke to commend her willingness to speak out and share her dismay over the slur. The White House termed Limbaugh's remarks "reprehensible," and the criticism...