Forget hamburgers and hot dogs—the U.S. Department of Agriculture is pushing people to grill up pineapple slices, peaches, nectarines and other fruit for their big July 4th feast. “Throw some grilled pineapple on the grill & get ready to enjoy nature’s candy,” USDA’s “MyPlate” website tweeted out this week. […] If you must grill meat, USDA is suggesting things like a “low-sodium & tasty recipe for grilled steak with Criolla sauce.” But there’s not much information on how to make a good burger. When a search for the word “hamburger” is run on the MyPlate site, the first three items...