President Barack Obama is greeted by Miami Mayor Tomás Regalado, left, and Carlos Giménez, Mayor of Miami-Dade County, after he arrives at Miami International Airport in Miami, Fla., March 20, 2014.

President Barack Obama is greeted by Miami Mayor Tomás Regalado, left, and Carlos Giménez, Mayor of Miami-Dade County, after he arrives at Miami International Airport in Miami, Fla., March 20, 2014.

March 5, 2014 "I love all the reflections in the mirrors of the First Lady and her staff in this photograph by Amanda Lucidon backstage at the Leading Women Defined Summit hosted by BET Networks in Miami, Florida."

March 5, 2014
"I love all the reflections in the mirrors of the First Lady and her staff in this photograph by Amanda Lucidon backstage at the Leading Women Defined Summit hosted by BET Networks in Miami, Florida."

First Lady Michelle Obama waits backstage with staff at the St. Regis Hotel in Miami, Fla., March 5, 2014.

First Lady Michelle Obama waits backstage with staff at the St. Regis Hotel in Miami, Fla., March 5, 2014.

First Lady Michelle Obama joins children for a yoga class during a "Let’s Move!" after school activities event at Gwen Cherry Park in Miami, Fla., Feb. 25, 2014.

First Lady Michelle Obama joins children for a yoga class during a "Let's Move!" after school activities event at Gwen Cherry Park in Miami, Fla., Feb. 25, 2014.

President Barack Obama tours the Port of Miami Tunnel project before delivering remarks on infrastructure, in Miami, Fla., March 29, 2013.

President Barack Obama tours the Port of Miami Tunnel project before delivering remarks on infrastructure, in Miami, Fla., March 29, 2013.

President Barack Obama prepares for an interview at the University of Miami in Miami, Fla., Oct. 11, 2012.

President Barack Obama prepares for an interview at the University of Miami in Miami, Fla., Oct. 11, 2012.

President Barack Obama shakes hands with a young girl after arriving at Miami International Airport in Miami, Fla., April 29, 2011.

President Barack Obama shakes hands with a young girl after arriving at Miami International Airport in Miami, Fla., April 29, 2011.

President Barack Obama looks on an iPad at pictures of White House Military Aide Major Reggie McClam’s twin girls as they ride in a service elevator following a reception at the Fontainebleau Resort in Miami, Fla., March 4, 2011. Pictured, from left, are: site advance Ian Rose, personal aide Reggie Love, Trip Director Marvin Nicholson, White House Dr. Ronny Jackson, and McClam.

President Barack Obama looks on an iPad at pictures of White House Military Aide Major Reggie McClam's twin girls as they ride in a service elevator following a reception at the Fontainebleau Resort in Miami, Fla., March 4, 2011. Pictured, from left, are:  site advance Ian Rose, personal aide Reggie Love, Trip Director Marvin Nicholson, White House Dr. Ronny Jackson, and  McClam.

President Barack Obama greets Miss Florida Memorial University Morisa V. Jagrup at Miami Central High School in Miami, Fla., March 4, 2011.

President Barack Obama greets Miss Florida Memorial University Morisa V. Jagrup at Miami Central High School in Miami, Fla., March 4, 2011.

President Barack Obama stands by a cut-out picture of First Lady Michelle Obama during a visit to Miami Central High School in Miami, Fla., March 4, 2011.

President Barack Obama stands by a cut-out picture of First Lady Michelle Obama during a visit to Miami Central High School in Miami, Fla., March 4, 2011.