Top White House officials bristled Monday when asked whether they think Supreme Court nominee Elena Kagan’s sexuality will become an issue in her confirmation hearings. “It’s not anything I’m going to get into,” said White House press secretary Robert Gibbs, speaking to reporters in his West Wing office. Gibbs was asked a handful of times about rumors that Kagan is gay, and gave terse responses each time. Asked why the White House pushed back so aggressively when CBS News published a piece on its website (CBS appears to have pulled the piece) that said Kagan, if confirmed, would be the...