Support WBURAs Bagged Salad Kits Boom, Americans Eat More GreensPlay06:52Download AudioDan CharlesAllison AubreyJuly 12, 2016 ShareA Caesar salad kit. Americans buy twice as many packages of bagged salad greens as heads of lettuce these days. Is the bagged stuff just as good? If it gets you to eat more leafy greens, yes. (Morgan McCloy/NPR)