US President Donald Trump vowed on Tuesday to help Lebanon “a lot” as its president, Joseph Aoun, sought Washington’s backing for a fragile effort to disarm Hezbollah and forge a path to peace with Israel. Aoun, the first Lebanese president invited to Washington since 2009, asked Trump for political support and continued backing for the Lebanese army, which has begun deploying in southern areas under a US-backed framework agreement with Israel. “We need to support the LAF,” Aoun said, referring...