Alarm is spreading through South Florida's CentralAmerican communities as U.S. officials weigh ordering hundreds of thousands of temporary residents out of the country. Juana García gave up seeing her children grow up so they would not go hungry. García's youngest of four children was 3 when she left Honduras 21 years ago and headed north looking for work. The others were 7, 8 and 11. She never saw three of the children again -- the oldest, a son, came to live with her for some time -- because, as an undocumented immigrant, she couldn't travel. But she never forgot her...