Harvard Professor Lawrence Lessig makes the case that our democracy has become corrupt with money, leading to inequality that means only 0.02% of the United States population actually determines who's in power. Lessig says that this fundamental breakdown of the democratic system must be fixed before we will ever be able to address major challenges like climate change, social security, and student debt. This is not the most important problem, it's just the first problem..

A million refugees arrived in Europe this year, says Alexander Betts, and "our response, frankly, has been pathetic." Betts studies forced migration, the impossible choice for families between the camps, urban poverty and dangerous illegal journeys to safety. In this insightful talk, he offers four ways to change the way we treat refugees, so they can make an immediate contribution to their new homes. "There's nothing inevitable about refugees being a cost," Betts says. "They're human beings with skills, talents, aspirations, with the ability to make contributions — if we let them."