News of a snap presidential election in Greece prompted a huge fall on its stock exchange. FT reporters Kerin Hope and Ralph Atkins tell Daniel Garrahan that Antonis Samras is playing a risky game, but markets are comforted by Mario Draghi's promise to hold the eurozone together.<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br />Subscribe to the Financial Times on YouTube; http://goo.gl/vUQx5k<br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
