Starbucks and PepsiCo have launched a bottled Starbucks Frappuccino Lite extension at 100 calories and 9g of sugar per 9.5-oz bottle. (That compares to 290 calories and 43g of sugar per 13.7-oz bottle of the core Frappuccino line.) Sweetened also with sucralose, the Lite line offers flavors Sea Salt Caramel Gelato, Creamy Vanilla Gelato, and Double Chocolate Gelato. The line...