former manhattan u.s. attorney preet bharara take several shots administration president donald trump thursday call facts falsehoods basis political discourse welcome stance towards immigrants first public speak event since fire one month ago bharara sprinkle hour-long speech humor include joke size crowd clearly aim trump bharara also make series thinly veil criticisms new administration refer multiple time trump campaign pledge drain swamp washington drain swamp slogan drain replace one set partisans another replace muck muck bharara 48 say cooper union new york drain swamp need army corps engineer experts school service serious purpose do-nothing say-anything neophyte opportunists know lot bully bluster much truth justice fairness bharara fire trump march 11 refuse step among 46 u.s. attorneys tell submit resignations dismissal surprise trump ask november stay job bharara say make clear first whether dismiss joke initial confusion reference trump tv reality show regularly fire people spot really understand big deal especially white house think donald trump good bharara say chief federal prosecutor southern district new york bharara oversee several notable corruption white-collar criminal case well case involve national security say equally proud less high-profile work office combat gang consumer fraud bharara say expect successor carry office reputation independence comment possible successor future bharara rule run public office plan enter politics like plan join circus mean offence circus ex-u.s. attorney bharara take aim trump criticism joke