What the world can learn from Ukraine's fight for democracy | Olesya Khromeychuk
"A flourishing democracy next door is a scary thing for an autocrat," says Ukrainian historian Olesya Khromeychuk. Detailing the history of Ukraine's long struggle for sovereignty and freedom \u2014 against Russian tsars, communist dictators and now the Kremlin's army \u2014 she shares three lessons anybody can use to join the global fight for democracy.