FILE - In this Dec. 12, 2018, file photo former President Barack Obama accepts the Robert F. Kennedy Human Rights Ripple of Hope Award at a ceremony in New York. On Saturday, May 16, 2020, Obama plans to speak during “Show Me Your Walk, HBCU Edition,” a two-hour livestreaming event for historically black colleges and universities broadcast on YouTube, Facebook and Twitter. (AP Photo/Jason DeCrow, File)