Senate Armed Services Committee Chairman John McCain (R-AZ) told top Pentagon officials Tuesday their lack of coherent strategies is making it difficult to argue for a larger military budget. McCain repeatedly expressed frustration with the lack of strategy for Afghanistan, as well as a larger national security strategy during the committee's hearing featuring Defense Secretary Jim Mattis and Chairman of the Joint Chiefs of Staff Gen. Joseph Dunford. "I'm fighting as hard as I can to increase defense spending," McCain...