Panama and Colombia both announced this week that they're essentially letting undocumented migrants stuck in their countries move on. Most are headed for the United States.
Colombia has deported more than 5,800 migrants over the past two months, most of them from Haiti and Cuba, according to official figures released last week.
The Legislative Assembly of Costa Rica voted against a motion proposed by Fabricio Alvarado, leader of the New Republic party, to withdraw the country...