Half a century ago, some of us were "over there" fighting a little war in Asia. It wasn't limited to the Korean Peninsula. We were protecting the world's democracies and defending the American way. Meanwhile, back home, a cancer was growing on the American body politic. Its name was the House Un-American Activities Committee, a weapon of the U.S. Congress. HUAC attacked any dissenting American person or group it deemed dangerous to those in power at the time. Fanning the flames of psycho-patriotism was a venomous demagogue named Sen. Joe McCarthy. He and HUAC destroyed many careers and lives before...