Florida Sen. Marco Rubio speaks in October 2013 at the Values Voter Summit, held by the Family Research Council in Washington.
Florida Sen. Marco Rubio speaks in October 2013 at the Values Voter Summit, held by the Family Research Council in Washington.
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Sen. Mike Lee, left, and Rubio talk before a news conference to introduce their proposal for an overhaul of the tax code in March.
Sen. Mike Lee, left, and Rubio talk before a news conference to introduce their proposal for an overhaul of the tax code in March.
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Rubio, center, arrives in the House chamber ahead of Israeli Prime Minister Benjamin Netanyahu's address to a joint meeting of the U.S. Congress in March.
Rubio, center, arrives in the House chamber ahead of Israeli Prime Minister Benjamin Netanyahu's address to a joint meeting of the U.S. Congress in March.
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Rubio speaks with the media after delivering remarks during the graduation of small business owners from the Goldman Sachs 10,000 Small Businesses program held in Miami in February.
Rubio speaks with the media after delivering remarks during the graduation of small business owners from the Goldman Sachs 10,000 Small Businesses program held in Miami in February.
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Rubio talks to aides in December before speaking on President Barack Obama's announcement about revising policies on U.S.-Cuba relations.
Rubio talks to aides in December before speaking on President Barack Obama's announcement about revising policies on U.S.-Cuba relations.
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Rubio, left, talks to Sen. Lindsey Graham prior to a news conference on Capitol Hill in July.
Rubio, left, talks to Sen. Lindsey Graham prior to a news conference on Capitol Hill in July.
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Rubio talks to reporters in June after a closed door briefing on Capitol Hill.
Rubio talks to reporters in June after a closed door briefing on Capitol Hill.
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Rubio speaks to the media in front of a wall dedicated to the victims of the violence in Venezuela as he shows support for the Venezuelan community at a restaurant in Doral, Florida, in April 2014.
Rubio speaks to the media in front of a wall dedicated to the victims of the violence in Venezuela as he shows support for the Venezuelan community at a restaurant in Doral, Florida, in April 2014.
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Rubio speaks to the media at the Doral restaurant in April 2014.
Rubio speaks to the media at the Doral restaurant in April 2014.
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Rubio checks his phone in March as he arrives for a Capitol Hill news conference to introduce a proposal for an overhaul of the tax code.
Rubio checks his phone in March as he arrives for a Capitol Hill news conference to introduce a proposal for an overhaul of the tax code.
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Rubio, left, is greeted as he arrives at a restaurant in Doral in February 2014.
Rubio, left, is greeted as he arrives at a restaurant in Doral in February 2014.
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Rubio, left, and Florida Gov. Rick Scott speak to the media in Doral in February 2014.
Rubio, left, and Florida Gov. Rick Scott speak to the media in Doral in February 2014.
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From left, Sens. Cory Booker, Rubio, Kristen Gillibrand and John McCain wait for Obama to deliver the State of the Union address in January 2014.
From left, Sens. Cory Booker, Rubio, Kristen Gillibrand and John McCain wait for Obama to deliver the State of the Union address in January 2014.
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Rubio addresses an event held by the American Enterprise Institute for Public Policy Research in January 2014.
Rubio addresses an event held by the American Enterprise Institute for Public Policy Research in January 2014.
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Paralympian Brad Snyder poses with Rubio during a Team USA Congressional visit in November 2013.
Paralympian Brad Snyder poses with Rubio during a Team USA Congressional visit in November 2013.
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Rubio speaks in November 2013 during a campaign stop for Virginia Attorney General Ken Cuccinelli, the Republican candidate for governor of Virginia.
Rubio speaks in November 2013 during a campaign stop for Virginia Attorney General Ken Cuccinelli, the Republican candidate for governor of Virginia.
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Rubio confers with McCain as U.S. Ambassador to Syria Robert Ford testifies before the Senate Foreign Relations Committee in October 2013.
Rubio confers with McCain as U.S. Ambassador to Syria Robert Ford testifies before the Senate Foreign Relations Committee in October 2013.
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Rubio, center, speaks to members of the media as Sen. Ron Johnson, left, and Rep. Ron DeSantis listen during a news conference on Capitol Hill in October 2013.
Rubio, center, speaks to members of the media as Sen. Ron Johnson, left, and Rep. Ron DeSantis listen during a news conference on Capitol Hill in October 2013.
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Rubio returns to the Capitol after meeting with Obama and other Republican leaders about the government shutdown in October 2013.
Rubio returns to the Capitol after meeting with Obama and other Republican leaders about the government shutdown in October 2013.
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Rubio speaks to an aide on Capitol Hill as he arrives for the weekly Senate Republican Policy Committee luncheon in September 2013.
Rubio speaks to an aide on Capitol Hill as he arrives for the weekly Senate Republican Policy Committee luncheon in September 2013.
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