greensboro n.c. president barack obama two straight elections white house tuesday talk students town hall race sport discuss time always come top obama recount fallout first presidential debate ultimately successful 2012 election race republican mitt romney first debate roundly pan everybody say terrible obama say town hall host espn undefeated north carolina state university true always kind hat debate format best performance say really inspire dig deep second debate see young volunteer around country put brave face obama say could tell worry race think kid pour hearts souls make call knock doors go disappoint say obama also describe experience lose first campaign u.s. congressional seat 2000 humble without defeat obama say believe would go win senate race 2004 true politics similar sport though lose lose publicly say hard feel one benefit defeat take vanity try achieve issue race sport spotlight recently nfl quarterback colin kaepernick san francisco 49ers start controversial movement choose stay seat late opt kneel national anthem season protest racial injustice ask sport activism obama cite two childhood sport heroes boxer muhammad ali tennis player arthur ashe totally different style obama say ali outspoken ashe button say bring change less important commitment use whatever platforms speak issue matter say obama tell students town hall failures shape