Meet the Troops -- What I’m thankful for this Independence Day On Saturday nights, Pat Troy pays tribute to U.S. military men and women with a toast, a prayer, and a song. The mood starts out upbeat and light: Pat, an Irish pub owner in Alexandria, Va., leaps onto the stage with a fuzzy unicorn head strapped to his own and leads patrons in a hilarious rendition of the Unicorn Song. The Guinness flows as people sway and sing along. Then Pat’s program turns patriotic. While there on a recent Saturday night, three of my friends were recognized and thanked...