Rubio to deliver State of Union GOP response

Published On: Feb 06 2013 07:05:12 PM EST   Updated On: Feb 06 2013 07:32:27 PM EST
Sen. Marco Rubio

Florida Sen. Marco Rubio, a leading proponent of overhauling the immigration system who has gained attention in GOP circles, will deliver the Republican response to President Barack Obama's State of the Union address on Tuesday.