Democratic Reps. Luis V. Gutierrez of Illinois (second from right) and Judy Chu of California (right), and Melisa Arellanos, 2, of Hyattsville, a U.S. citizen whose mother is facing deportation, listen during a Capitol Hill news conference on Thursday to launch the "Campaign for American Children and Families" tour. (Associated Press)

Democratic Reps. Luis V. Gutierrez of Illinois (second from right) and Judy Chu of California (right), and Melisa Arellanos, 2, of Hyattsville, a U.S. citizen whose mother is facing deportation, listen during a Capitol Hill news conference on Thursday to launch the "Campaign for American Children and Families" tour. (Associated Press)