Sally Hernandez, age 12, sobbed Wednesday as the New York hotel where she and her immigrant family were sheltering expelled them before she could say goodbye to the Girl Scout troop she belonged to at her makeshift home.Sally and her Colombian family -- mother Karol Hernandez, father Sebastian Arango and an 18-month-old baby -- had to lug heavy suitcases a few blocks away to a hotel serving as a processing center for migrants like them.