From today's Post: White House spokeswoman Dana Perino revealed on NPR this weekend thatDuring a White House briefing, a reporter referred to the Cuban Missile Crisis -- and she didn't know what it was."I was panicked a bit because I really don't know about . . . the Cuban Missile Crisis," said Perino, who at 35 was born about a decade after the 1962 U.S.-Soviet nuclear showdown. "It had to do with Cuba and missiles, I'm pretty sure."So she...