It fell to Rep. Loretta Sanchez to combine, at last, your two favorite things of the summer: Capitol Hill interns and “Call Me Maybe” video parodies. In what is believed to be the first congressional take on the Carly Rae Jepsen earworm, the California Democrat grooves to the tune from behind her desk — while watching the YouTube viral video of the Harvard baseball team doing the same, and mimicking their herky-jerky dance moves.