in march of 2011 pro tests against president bashar al-assad's rule were metway violent response from his regime. the conflict has since become one of the deadliest in the region. more than 200,000 syrians have been killed and 11 million lost their homes. jordan lebanon and turkey have almost four million refugees in their countries. the conflict also lead to the rise of isis which established its de facto capital in northern syria. almost half of the country is now in the hands of isis or other groups fighting the regime. the war has also become a proxy battlefield for regional ackers. earlier this month secretary of state john kerry suggested what many others have suggested that there has to be a political solution and he included negotiations with syria. i spoke to bash orr al-assad last week for cbs "60 minutes" which aired an edited version of the interview on sunday. here is the full conversation. >> mr. president, thank you for allowing us to come here. we ask for this interview because your country has been at war for four years. it is a humanitarian crisis perhaps the worst o