stay neutral year president barack obama formally endorse presumptive democratic nominee hillary clinton president unite state via video announcement white house.saying think ever someone qualify hold office president obama much seek endorsement come personal meet senator bernie sanders vow fight d.c. primary next tuesday.in video release president obama congratulate hillary clinton make history praise next president say want congratulate hillary clinton make history presumptive democratic nominee president unite state look know hard job know hillary good get courage compassion heart get job do say someone debate tan 20 time president go thank democratic nominee serve country secretary state praise judgment toughness commitment american value want begin incredible journey first know fire wait get campaign hillary wrap president obama thank millions voters come primaries promise democratic unity obama specifically thank senator bernie sanders say run incredible campaign bring thousands perhaps even millions -of new young voters energize party also thank senator bring issue income inequality big money forefront debate something think good november.thanking two patriots president obama call democrats get vote bright future.with poll number high promise take trump head could clinton ask good campaign surrogate president obama watch president obama endorsement feature image via video screen capture president obama officially endorse hillary clinton president video