longtime u.s. congressman georgia john lewis march martin luther king jr. 1960s say thursday would attend open mississippi civil right museum weekend president donald trump plan attend president trump attendance hurtful policies insult people portray civil right museum lewis say statement statement georgia democrat serve congress 31 years mississippi democratic u.s. representative bennie thompson mention trump disparage comment women disable immigrants national football league players trump say early week would attend open museum jackson state capital national association advancement color people naacp denounce trump plan attendance lewis thompson say statement trump show disrespect people fight civil right mississippi white house press secretary sarah sanders respond lewis-thompson statement say think unfortunate members congress join president honor incredible sacrifice civil right leaders make right injustices history president hop others join recognize movement remove barriers unify americans background civil right pioneer eschew museum open trump say attend