An All-American pie

“Sunday Morning” dishes up a slice of Americana: pie, as sweet and diverse as these 50 United States. Contributor Kelefa Sanneh talks with Stacey Mei Yan Fong (whose “50 Pies/50 States” project has created edible tributes to the nation), and with Sarah Sanneh (proprietor of the Brooklyn restaurant Pies ‘n’ Thighs) about the perfect pie for the Fourth of July. Source