washington democratic party officials sue republican presidential candidate donald trump four battleground state monday seek shut poll-watching effort say design harass minority voters nov. election lawsuits file federal court pennsylvania nevada arizona ohio democrats argue trump republican party officials mount campaign vigilante voter intimidation violate 1965 vote right act 1871 law aim ku klux klan trump seek advance campaign goal voter suppression use loud microphone nation implore supporters engage unlawful intimidation ohio democratic party write legal file similar language use lawsuits trump campaign respond request comment since august trump urge supporters monitor poll locations election day sign possible vote fraud often urge keep close eye cities like philadelphia st. louis high minority populations campaign ohio democratic presidential nominee hillary clinton say trump hop discourage people participate election whole strategy suppress vote lot noise lot distractions clinton say cleveland democrats also try stop republican national committee work trump campaign state party poll monitor argue separate case long-standing court order prevent national party organization engage ballot security measure motion file monday case rnc say involve poll watch work support trump areas evidence politics wrongdoing rnc say many state allow campaign political party monitor ballot although often face restrictions pennsylvania example poll watchers must formally certify local election board must register voters county work state republican party sue remove restrictions early vote way civil right group say hear isolate report self-described poll monitor photograph voters engage intimidate behavior democrats also sue republican operative roger stone longtime trump ally organize exit-polling effort democrats say true purpose project call stop steal intimidate minority urban voters stone tell reuters project design ensure electronic vote machine work properly stop steal website stone say clinton democrats intend flood poll illegals liberal enclaves already let illegals vote local state elections want vote presidential election stone say 1,400 people across unite state volunteer project instruct use neutral language approach people vote since talk voters vote intimidate stone say democrats sue trump allege voter intimidation four state