Dallas May 11, 2021 12:10 pm Frozen Margarita Machine Turns 50 The first frozen margarita machine started serving drinks in Dallas 50 years ago. Inventor Mariano Martinez explains what sparked the idea to shake up the classic cocktail. Wake Up to Something Good 4:47 Monday to mark one year since tragedy struck in Allen 2:33 Protests continued at UT Dallas today over ties to companies that do business with Israel 2:47 North Texas high school team competes in robotics competition 1:56 Oak Cliff prepares for Cinco De Mayo Parade and Fiesta 2:21 Tarrant County voters to decide who's in charge of appraisal district