Over 9,000 Palestinians are currently being held in Israeli prisons and military detention centers. While the majority of their names will be unfamiliar to most, the name of one Palestinian prisoner stands out above all others: Marwan Barghouti. Decades behind bars haven’t dimmed his influence—thanks, in part, to his family’s tireless advocacy. His son Arab Barghouti shares how Marwan’s life embodies both the ordinary struggles of countless Palestinians and the extraordinary impact of one man...