washington u.s. justice department face rise pressure capitol hill name former fbi chief robert mueller wednesday special counsel investigate allege russian interference 2016 u.s. election possible collusion president donald trump campaign moscow move follow week white house throw uproar trump fire fbi director jam comey democrats president fellow republicans demand independent probe whether russia try sway outcome november election favor trump democrat hillary clinton trump whose anger allegations grow recent weeks take news calmly use rally team unite move refocus stall agenda senior white house official say together trump tell team official say trump say statement justice department announcement look forward quick resolution state many time thorough investigation confirm already know collusion campaign foreign entity say mueller say statement tweet cbs news accept responsibility discharge best ability trump say speech early wednesday politician history treat bad unfairly long bristle notion russia play role election victory russia issue however cloud early months office moscow deny conclusion u.s. intelligence agencies meddle campaign pressure white house intensify trump fire comey lead federal probe matter allegations trump ask comey end fbi investigation tie trump first national security adviser michael flynn russia raise question whether president improperly attempt interfere federal investigation issue spill onto wall street wednesday 500 dow big one-day decline since september investor hop tax cut pro-business policies fade amid political tumult justice department announcement come market close decision appoint special counsel find crimes commit prosecution warrant make determination deputy attorney general rod rosenstein say statement announce special counsel determine special counsel necessary order american people full confidence outcome say trump hear mueller appointment white house lawyer mcgahn 25 minutes make public senior white house official say trump assemble inner circle oval office vice president mike pence chief staff reince preibus economic adviser gary cohn senior strategist steve bannon others give pep talk dictate statement soon release trump tell appointment would allow refer question mueller give space focus policies tax reform lawmakers capitol hill generally welcome justice department action praise mueller integrity house senate republican leaders say would go investigations russia matter special counsel much need situation deputy attorney general rosenstein do right thing senate democratic leader chuck schumer say statement republican house judiciary committee chairman bob goodlatte say confident mueller conduct thorough fair investigation discordant note sound republican representative jason chaffetz chairman house representatives oversight committee praise mueller credentials say think appoint someone see evidence actual collusion actual crime think need special prosecutor prosecute chaffetz tell fox news mueller 72 decorate marine corps officer vietnam war former federal prosecutor know tough no-nonsense managerial style appoint republican president george w. bush become fbi director one week sept. 11 2001 attack ask democratic president barack obama 2011 stay two years replace comey 2013. mueller credit transform fbi put resources counterterrorism investigations improve cooperation u.s. government agencies although mueller serve pleasure rosenstein job come independence autonomy past independent investigations stretch years kenneth starr investigate former president bill clinton probe allegations surround clinton past real estate deal late expand inquiry relations then-white house intern monica lewinsky lead clinton impeachment house white house conduct interview wednesday candidates replace comey head fbi senior administration official say former democratic vice presidential candidate senator joe lieberman one interview trump among lead candidates trump spokesman sean spic say others interview act fbi director andrew mccabe former oklahoma governor frank keating former senior fbi official richard mcfeely former fbi chief mueller appoint probe trump-russia tie