Something about judicial confirmation hearings seems to trip up Sen. Cory Booker -- who got corrected by a high-profile nominee on Tuesday during a heated exchange about diversity on her staff. Booker made headlines last September for cheekily declaring his “I am Spartacus” moment as he moved to release sensitive documents during now-Supreme Court Justice Brett Kavanaugh’s hearing, only to be told they weren't so sensitive after all. On Tuesday, the New Jersey Democratic senator tried to turn up the heat once again while grilling Neomi Rao, the nominee to replace Kavanaugh on the U.S. Court of Appeals for D.C.,...