Did Marco Rubio backer really mock Christie's weight?

NASHUA, N.H. — A congressman and Florida Sen. Marco Rubio backer mocked Gov. Chris Christie on Monday over his waistline. Rep. Darrell Issa (R-Ca.) took Christie to task for attacking Rubio at the last Republican presidential debate on Saturday. The governor slammed Rubio for giving a “memorized 25-second speech” several times during the debate. But Issa…