The President shall be Commander Chief of Army and Navy of United States, and of Militia of the several States, when called into Service of United States... shall take Care that the Laws be executed... ..…

This also explains, to quote a few contemporary examples, why Western European and US leaders had no qualms about making a commitment to the USSR in 1989-1990 that NATO would “not move one inch to the East”, in exchange for Soviet acceptance that the new, reunited Germany would be part of NATO, and then..…

He has also stressed his closeness to 'my buddy' Barack Obama, America's first black president, who chose him as his vice presidential running mate in 2008 and 2012. . ..…