By GISELA SALOMON AND SOPHIA TAREEN, Associated Press MIAMI (AP) — Parents around Nora Sanigo’s large, rectangular dining table had lunch before signing documents to make the Nicaraguan immigrant a legal guardian of their children, entrusting them to her if they are deported. She gave a list of what to carry with them: birth certificates, medical and school records, immigration documents, her phone number. “Talk to your children and tell them what can happen, let them have my phone number on hand, let them learn it, let them record it,” Sandigo said Sunday. Nora Sandigo, left, listens to a mother as she decides what to do about her U.S.