crains chicago business american democracy fragile unless care take could follow path nazi germany 1930s.mixed many soft comment somewhat jaw-dropping bottom line barack obama last night session economic club chicago chicagoan use president drop bite red meat hometown crowd likely lot close man whose name never mention president donald trump.obama comment come series playful question moderator ariel investments president mellody hobson great batman vs. superman debate instance learn obama side batman eventually ask learn world citizen sorts.one thing learn things happen internationally put shoulder wheel obama say speak u.s. country experience bandwith ideals .if u.s. go happen obama give one specific example solid one ebola fight virus u.s. everything build airport tarmac africa send medical team ferry medicos countries probably save million live said.at least indirectly comment could see criticism trump whose foreign policy focus america first paradigm critics say distract country unique role.obama move talk nativist mistrust unease sweep around world argue things speed technical change uneven impact globalization come quickly absorb many culture bring strange new things people areas people use challenge assumptions result nothing feel solid say sadly something us look simple answer agitate still u.s. survive tough time note particularly mention days communist fighter joseph mccarthy former president richard nixon one reason country survive free press ask question obama add though problems media like trump understand principle free press vital danger grow ing complacent obama say tend garden democracy else things could fall apart quickly happen germany 1930s despite democracy weimar republic centuries high-level cultural scientific achievements adolph hitler rise dominate obama note sixty million people die .so get pay attention vote barack obama go there…compares president trump hitler front chicago audience