"Racial impostor syndrome" is definitely a thing for many people. We hear from biracial and multi-ethnic listeners who connect with feeling "fake" or inauthentic in some part of their racial or ethnic heritage. Kristen Uroda for NPR hide caption

In 2008, Senate Majority Leader Harry Reid referenced then-presidential candidate Barack Obama as a "light-skinned" African-American "with no negro dialect, unless he wanted to have one." Alex Wong/Getty Images hide caption