Rearranging the letters of 'Marco Rubio' (GOP Candidate 2016) gives:
I'm our cobra.
(by George Korfiatis using Anagram Genius) (2016) (pending approval)
Other related anagrams without their own page:
"Presidential candidate" -> "I stranded , I need capital." (by Aronas Pinchas ) (2011) (pending approval)
"Democratic presidential candidate Barack Obama" -> "As American black Premier addicted to a bad action." (by Pinchas Aronas) (2008) (pending approval)
"Democratic presidential candidate Barack Obama" -> "As 'a black Arab' PM I dedicated to American doctrine." (by Pinchas Aronas) (2008) (pending approval)
"Presidential candidates meet for final debate" -> "Recent media-battle of failed aspirants, indeed." (by Pinchas Aronas) (2008) (pending approval)
"a presidential candidate" -> "Satan decided a reptilian." (by WhiteMist) (2012) (pending approval)
"Obama's options for vice presidential candidate" -> "Ebon politician avid for assistant, deep comrade." (by Aronas Pinchas) (2008) (pending approval)
"The Republicans' American presidential candidates" -> "McCain and Palin unite - a predictable sheer disaster!" (by David Bourke using Anagram Genius) (2008)