More than 60,000 Chaldeans live in El Cajon, the largest concentration in the U.S. outside of Detroit. A San Diego-area nonprofit running an "underground railroad" is trying to save "as many people as possible" from turmoil in Iraq by finding them refuge in Southern California, and it has tens of thousands of Christian Iraqis on its waiting list. Mark Arabo, a first generation Iraqi-American born and raised east of San Diego, founded the Minority Humanitarian Foundation (MHF) in 2014 after he grew tired of waiting for a response from Washington officials to the crisis created by Islamic State militants,...