CNN | Obama: Trump tapped into a 'troubling' strain CNN Athens, Greece (CNN) President Barack Obama issued a warning Tuesday against "crude nationalism" in the wake of Donald Trump's victory, saying during a news conference on his final overseas trip that the President-elect had tapped into a "troubling" ... Obama warns against 'a crude sort of nationalism' taking root in the US Debt, not Trump, is focus of Obama's talks in Greece Police and Protesters Clash as President Obama Visits Greece |