In a July 16, 1967 file photo, left, a National Guardsman stands atop an armored personnel carrier at a roadblock in Newark, N.J., in front of the St. James A.M.E. Church during the Newark riots. In a June 16, 2017 photo, right, the same spot is seen 50 years later. (Photo by AP Photo/John Duricka, left; Julio Cortez, right)
