As working dinners go, President Obama's meal Monday night in Paris with French President Francois Hollande, Secretary of State John Kerry and others wasn't too shabby. No cartons of takeout -- instead, the gang fueled up after a long day of climate talks at L'Ambroisie, the three-Michelin-starred temple of gastronomie in the Marais neighborhood. Per the Michelin Guide, the ornately be-chandelier-ed dining room is known for "incomparable classicism and an immortal feast for the senses." Perhaps worried that Obama would create an international faux pas by ordering a burger or a margarita (two of his faves), a reporter asked what...