In this frame grab from... Pictures

In this frame grab from video, Florida Sen. Marco Rubio takes a sip of water during his Republican response to President Barack Obama's State of the Union address, Tuesday, Feb. 12, 2013, in Washington. (AP Photo/Pool)
In this frame grab from video, Florida Sen. Marco Rubio takes a sip of water during his Republican response to President Barack Obama's State of the Union address, Tuesday, Feb. 12, 2013, in Washington. (AP Photo/Pool)

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