U.S. Sen. Bernie Sanders, I-Vermont, pictured in an April 20, 2017 file photo, will speak at Duke University Chapel along with the Rev. William J. Barber II on April 19, 2018.
U.S. Sen. Bernie Sanders, I-Vermont, pictured in an April 20, 2017 file photo, will speak at Duke University Chapel along with the Rev. William J. Barber II on April 19, 2018. Associated Press
U.S. Sen. Bernie Sanders, I-Vermont, pictured in an April 20, 2017 file photo, will speak at Duke University Chapel along with the Rev. William J. Barber II on April 19, 2018. Associated Press