WEST PALM BEACH, FL - MARCH 11:  Republican presidential candidate U.S. Sen. Marco Rubio (R-FL) speaks to the media during a press conference at the Temple Beth El to discuss his commitment to stand with Israel on March 11, 2016 in West Palm Beach, Florida.  Presidenital candidates continue to campaign for votes leading up to the March 15th Florida primary.  (Photo by Joe Raedle/Getty Images)