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CONCORD, N.H. (CBSMiami/AP) — Further testing the waters for a possible presidential run, U.S. Sen. Marco Rubio is in New Hampshire to talk with voters.

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The Florida Republican is traveling to key early voting states to promote his book, “American Dreams.”

Rubio’s trip to New Hampshire includes a Q-and-A session with voters in Hollis and a book signing in Manchester on Monday. He’ll also speak at ‘Politics & Eggs’ on Tuesday in Manchester.

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Rubio said that New Hampshire voters can expect many opportunities to engage with him in town hall-style events if he runs.

Observers doubted whether Rubio would run for president against his political mentor, former Florida Gov. Jeb Bush, but Rubio recently signaled he is serious about a run by hiring New Hampshire operative Jim Merrill.

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