Obama and Khamenei; Political Landscape 2014; Andrew Witty

Andrew Witty, chief executive officer of GlaxoSmithKline, weighs the importance of balancing medical innovation with providing public access to medical resources. Two former Senate majority leaders, Tom Daschle and Trent Lott, take a look at the political landscape of 2014 and share why they have hope for the relationship between Congress and President Barack Obama. Middle East scholar Ray Takeyh and journalists Carol Lee and Jay Solomon report on President Obama's correspondence with Iran's Supreme Leader Ali Khamenei regarding a nuclear arms deal.