Justin Cucci has ruled the Denver restaurant scene over the past five years as the chef and owner of Root Down (1600 W. 33rd Ave.; 303-993-4200) and Linger (2030 W. 30th Ave., 303-993-3120;lingerdenver.com), two award-winning eateries in the trendy Highland neighborhood. Now Root Down, known for its seasonal menu of locally sourced ingredients and its location in a converted 1950s-era gas station, has opened a second outpost, at Denver International Airport (DIA).