SAN FRANCISCO -- A San Francisco mother who lost her son to foster care because of the family's pit bulls will have to wait until next week to see if she will get her child back. During a closed hearing Tuesday, a commissioner in the juvenile division of San Francisco Superior Court put off making a ruling on whether 7-year-old Andrew Louie will be allowed to return home. The boy was taken from his mother, Valerie Louie, in December because social workers feared the family's pit bulls posed a threat to the child. At the time, authorities had decided that...