https://soundcloud.com/user-154380542/preface-read-by-barack-obama/s-DzoHtioEgeZ I wrote my book for young people—as an invitation to bring about, through hard work, determination, and a big dose of imagination, an America that finally aligns with all that is best in us. The Atlantic is pleased to offer, below, an adapted and updated excerpt from former President Barack Obama’s new memoir, A Promised Land,