Republican presidential candidate Sen. Marco Rubio of Florida speaks during a town hall meeting Friday, Jan. 29, 2016, in Burlington, Iowa.
Republican presidential candidate Sen. Marco Rubio of Florida speaks during a town hall meeting Friday, Jan. 29, 2016, in Burlington, Iowa. Mary Altaffer AP
Republican presidential candidate Sen. Marco Rubio of Florida speaks during a town hall meeting Friday, Jan. 29, 2016, in Burlington, Iowa. Mary Altaffer AP