MANCHESTER, N.H. (AP) — Marco Rubio’s rivals launched multiple salvos at him during the final Republican debate before their New Hampshire presidential primary. They challenged his readiness to be president and the depth of his expertise as they sought to salvage their own White House hopes. Sen. Ted Cruz, fresh off his victory in the Iowa caucuses, also came under withering criticism for controversial political tactics. Front-runner Donald Trump slipped through largely untouched.

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