Rubio under fire in GOP debate after rise in polls

Republican presidential candidate, Sen. Marco Rubio, R-Fla., answers a question during a Republican presidential primary debate hosted by ABC News at the St. Anselm College Saturday, Feb. 6, 2016, in Manchester, N.H. (AP Photo/David Goldman)MANCHESTER, N.H. (AP) — Marco Rubio, a first-term senator on the rise in the presidential race, faced a barrage of attacks in Saturday night’s Republican debate, with rivals vigorously challenging his readiness to be president and the depth of his expertise as they sought to salvage their own White House hopes.

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