By Cameron Josept – Mashable

Marco Rubio’s disciplined focus on messaging has helped him rise to first-tier status. But on Saturday night, it proved his undoing.

After being mocked by Chris Christie for hewing too closely to talking points at Saturday night’s final GOP debate before the New Hampshire primaries, Rubio proved Christie’s point by sounding like a glitchy robot as he repeated what seemed like a practiced attack line on President Obama four different times.

“There it is, there it is — the memorized 25-second speech. There it is, everybody,” Christie declared the second time Rubio went after Obama for knowing “exactly what he’s doing,” suggesting that Obama isn’t incompetent but intentionally leading…..

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