CHICAGO — The Rev. Jesse L. Jackson, a towering figure in American civil rights politics, two-time presidential candidate, and longtime advocate for racial and economic justice, has died at the age of 84. His daughter, Santita Jackson, confirmed that Jackson died at home, surrounded by family. A protégé of Martin Luther King Jr., Jackson rose to national prominence in the turbulent aftermath of King’s assassination in 1968. As a young organiser in Chicago, Jackson had been summoned to meet King at the Lorraine Motel shortly before the civil rights icon was...