Food Can the Breast Still Be Best? The fatty, flavorful chicken thigh has surged to the center of American cooking, leaving its leaner cousin in the dust. It doesn’t have to be like this. Photo illustration by Slate. Photos by amenic181/iStock/Getty Images Plus, from_my_point_of_view/iStock/Getty Images Plus, and Adobe Stock. Sign up for the Slatest to get the most insightful analysis, criticism, and advice out there, delivered to your inbox daily. As we approach the celebration of America’s first 250 years this July, there’s going to be a lot of bald-eagle bluster and bravado. But don’t let it fool you: We’re a nation of chickens. In 2010, chicken finally overtook beef as the most consumed meat in the country. And more recently, we’ve become a nation of chicken thighs, which, of course we have—they’re easy to cook, flavorful, and affordable.…