Shi'a and Sunni

Ted Ellsworth a Middle Eastern studies undergraduate student at BYU. Ted talks with Dr. Townsend about the decades long religious divide that has fueled conflict in the Middle. Struggles between Sunni and Shia forces have led to a Syrian civil war. This violence poses a threat to the surrounding countries and reaches far beyond. What are the differing beliefs between the Shia and Sunni that has caused such a conflict and is there any hope for a resolution?