
By Emily Guskin, Scott Clement and Joe Heim, The Washington Post — Americans have spotty knowledge of central facts about the history of slavery in the United States, although younger adults have an edge over their elders, according to a Washington Post-SSRS poll. Even so, a solid majority say the legacy of slavery affects American society today, including majorities across racial, partisan and generational lines. The Post-SSRS poll quizzed a random…