The Defense Department is preparing an assistance package for Lebanon's army that is designed to increase ground force deployments across the country's southern region, allowing Lebanon to better challenge Iranian- and Syrian-backed Hezbollah fighters who have launched attacks from that part of the country against neighboring Israel. A relatively modest $10.6 million bundle of aid -- intended to improve ground mobility through purchases of spare parts needed to get more of Lebanon's military trucks, helicopters and armored personnel carriers operational...