bernie sanders democratic presidential campaign sue ohio secretary state federal court call unconstitutional attempt prevent young people vote state march 15 primary election outrage secretary state ohio go way keep young people significantly african-american young people latino young people participate u.s. senator vermont say statement release tuesday lawsuit file u.s. district court columbus join six ohio 17-year-olds allege directive republican secretary state jon husted would arbitrarily discriminate young voters cite u.s. census figure say voters likely black latino old group voters sanders seek democratic nomination nov. election attract support young voters lag behind rival hillary clinton win vote among minorities ohio one 20 state 17-year-olds 18 time general election allow vote primaries campaign statement say husted rule last december voters would allow participate presidential primary deny change vote rule follow rule ohio operate past primaries democrat republican administrations nothing new husted say twitter go 18 november election vote every issue say 17-year-olds permit elect candidates voters primary elect delegate represent political party national convention report eric walsh washington edit peter cooney article fund part sap independently create reuters editorial staff sap editorial involvement creation production sanders campaign sue ohio allow youth vote primary