Rob Youngson/FX The trailer for Say Nothing emphasizes the capers and heists that mark the series' first episodes, but FX's new adaptation of Patrick Radden Keefe's spellbinding 2018 book is fundamentally a tragic story illuminated by glimmers of hope. A widowed mother of ten is abducted from her home by her neighbors, in front of her children, never to be seen again. Two sisters who vow to give their lives for the promise of a united Ireland nearly die while on hunger strike in prison for having car-bombed London's Old Bailey and Ministry of Agriculture. A revolutionary leader builds . . .