Because there's room in this nation for more than one questionable milkshake combination, the Red Robin burger chain has unleashed a wine-and-fruit milkshake upon its spring menus: According to a press release, the Mango Moscato Wine Shake combines Moscato, SKYY Infusions Moscato vodka, mango puree, and vanilla soft-serve ice cream, in what the restaurant is calling a foray into "unique mixology."