At the U.S.-Mexico border, Haitians arrive to a harsh reception

Haitian nationals at a Mexican government immigration office near the port of entry between Nogales, Sonora, Mexico, and Nogales, Ariz., wait day after day for appointments with U.S. immigration agents so they can enter. As a result of the Haitian influx and a continuing surge of Central Americans on the Texas-Mexico border, the U.S. government has run out of detention space. (Photo by John Burnett/NPR)
Desperate Haitian immigrants have been massing along the U.S.-Mexico border for months s