SONIC® Drive-In launches new Frozen Sweet Teas OKLAHOMA CITY, 2016-Oct-04 — /EPR Retail News/ — Fall in love with Iced Tea all over again with new Frozen Sweet Teas at SONIC® Drive-In (NASDAQ: SONC), your Ultimate Iced Tea Stop. SONIC's new lineup of Frozen Drinks will be joined by three delicious new flavors of Iced Tea,…