Should President Obama have come right home after the attacks in Brussels?

Cuba's President Raul Castro, center, and Foreign Minister Bruno Rodriguez smile as they say goodbye to President Barack Obama, right, and his family who prepare to board Air Force One on their way to Argentina, in Havana, Cuba, Tuesday, March 22, 2016. Obama's visit was a crowning moment in his and Castro's bold bid to restore ties after a half-century diplomatic freeze.