washington u.s. president donald trump nominate jon huntsman envoy china former democratic president barack obama u.s. ambassador russia white house say tuesday job high-profile allegations russia meddle 2016 u.s. presidential election require confirmation u.s. senate confirm huntsman long expect trump pick job head moscow u.s. congress special counsel investigate russia role 2016 presidential election allegations trump campaign tie moscow russian president vladimir putin deny interference trump say collusion moscow huntsman former utah governor u.s. ambassador china 2009 2011. serve administrations five u.s. presidents candidate 2012 republican presidential nomination trump say want improve relations russia republican president meet putin germany gather g20 leaders early month officials say raise issue russian meddle election move issue war syria report march huntsman would get moscow envoy post greet mix review moscow one politician say dive kremlin say would welcome anyone convince proponent establish dialogue russia trump nominate huntsman russia ambassador white house