aboard air force one white house say friday candidates could add list potential nominees fill supreme court vacancy cause death justice antonin scalia still position list close point white house spokesman josh earnest tell reporters brief still people consider inclusion list people president may consider fill supreme court vacancy white house officially reveal list potential pick replace scalia earnest say expect nominee would name president barack obama meet congressional leaders white house tuesday discuss matter scalia death leave court four conservative four liberal justices mean obama nominee could tip balance court leave first time decades republicans control senate say seat remain vacant obama successor take office next january voters could say selection choose new president nov. election obama vow press ahead nominate justice earnest say white house would seek help former administration officials coordinate outside activist group fight fill vacancy new york time first report friday administration recruit former obama adviser stephanie cutter former white house director legislative affairs katie beirne fallon help campaign go draw contact work outside administration help us make case organize effort around president constitutional responsibility fill vacancy supreme court earnest say u.s. supreme court justice candidate list still open white house