A tour group walks through the campus of Harvard University in Cambridge, Mass., Aug. 30, 2012. Harvard University is vowing to spend $100 million dollars to research and atone for its extensive ties with slavery, the school's president announced Tuesday, April 26, 2022, with plans to identify and support direct descendants of dozens of enslaved people who labored at the Ivy League campus. (AP Photo/Elise Amendola, File)