Dozens of lawmakers have sent a bipartisan letter to President Obama in the hopes of postponing a $1.5 billion arms sale to Saudi Arabia amid opposition to Saudi military actions in Yemen and reports of civilian casualties. The letter, addressed to Obama and sent to the White House on Aug. 30, was signed by 64 members of Congress, including Rep. Ted Lieu (D-CA), who led the effort. In the letter , the lawmakers question the timing of the Aug. 8...