After Israel dropped more than 80 bombs, including American-made 2,000-lb bombs, on residential buildings in a suburb of Beirut, Hana Bechara, one of 86,000 U.S. citizens who live in Lebanon, decided it was time to leave.  Bechara started to make plans to fly her family to Miami, where her two sisters live. However, flights remained few and expensive, and her family — her husband, parents,...