WATCH LIVE: Three former U.S. presidents and a former vice president are set to honor the late Reverend Jesse Jackson at a memorial service in Chicago on Friday. The iconic civil rights leader died on Feb. 17 at the age of 86. https://abcnews.link/6AHyXph ––– Subscribe to ABC News on YouTube: https://abcnews.visitlink.me/59aJ1G Watch 24/7 coverage of breaking news and live events on ABC News Live: https://www.youtube.com/watch?v=gN0PZCe-kwQ&ab_channel=ABCNews Watch full episodes of World News