Rep. Ilhan Omar’s, D-Minn., immigration history is facing fresh scrutiny after federal agents searched her Washington, D.C., home, with new reports detailing subpoenas to relatives and a request from her congressional staff to change the birth year listed in public biographies. Federal investigators have subpoenaed Omar’s sister, Sahra Noor, and at least one other person in her family circle as they examine possible fraud and false statements in...