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

President Barack Obama, right, talks to Cuba's President Raul Castro, left, before boarding Air Force One on his way to Argentina, in Havana, Cuba, Tuesday, March 22, 2016. Behind are Obama's daughters Sasha, second from right, and Malia, partially covered. Obama's visit was a crowning moment in his and Castro's bold bid to restore ties after a half-century diplomatic freeze.