In this May 1, 2017, file photo, people wait in line to enter the Smithsonian National Museum of African American History and Cultural on the National Mall in Washington. After a firestorm of controversy, the museum has removed a "whiteness" graphic that ascribed traits such as "hard work," "self-reliance," "delayed gratification," being on time, and politeness to "white culture." (AP Photo/Pablo Martinez Monsivais) ** FILE **