Jim Mattis, Trump’s defense secretary from ... legal constraints on the president’s power,” said the letter signed by Mattis and four other defense secretaries. Mattis was the only one ...

Former U.S. Secretary of Defense James Mattis doesn't mind being called 'overrated.' Credit: Steven Ferdman/Getty Images Former Defense Secretary Jim Mattis ... his spurs in a letter from a ...

Chairman of the Russian Federation Council’s (upper house of parliament) Foreign Affairs Committee Konstantin Kosachev has said that the departure of US Secretary of Defense James Mattis is a ...