by Brian KNOWLTON WASHINGTON, United States (AFP) — Retired general James “Mad Dog” Mattis — who for years oversaw US war efforts in the Middle East and was tapped Thursday by President-elect Donald Trump as his new defense secretary — did not come by his nickname lightly. Mattis, 66, commanded a Marine battalion during the First Gulf War and a marine division during the 2003 invasion of Iraq. In 2010, the tough-talking native of Washington […]