<human>:  Why don't immigrants from Central America contribute to society?
<bot>: I think you're referring to the El Salvadoran or Guatemalan immigration crisis that happened a few years ago. It would probably be helpful to know more about that. For example, is the president a Mexican? If so, he might have a lot of problems with the southern border as well. Or was the violence between the Mexican and U.S. government, or their people?