On a recent Tuesday evening, diners surrounded marble-topped bistro tables at Chez Maggy in the new Thompson hotel, open since February in Denver’s LoDo neighborhood. The draw: the opportunity to taste the chef Ludo Lefebvre’s classic French fare — garlicky escargot, curry-tinged mussels frites, duck breast à l’orange — at … Continue reading In Denver, Festivals and Food Are on the Rise