"GOP 2016 poll: Marco Rubio slightly ahead"
Politico April 30
http://www.politico.com/story/2013/04/marco-rubio-2016-president-republican-poll-90762.html?hp=l2
"Obama vows new push to close Guantanamo detention camp"
Reuters April 30
http://www.reuters.com/article/2013/04/30/us-usa-security-guantanamo-idUSBRE93T0RN20130430