There are problems affecting big parts of our lives that seem intractable. From politics, to healthcare, to law and the justice system — some things just don’t seem to work as they should. In this hour, TED speakers share some big ideas on how to solve the seemingly impossible. Attorney Philip K. Howard argues the U.S. has become a legal minefield and we need to simplify our laws. Legal scholar Lawrence Lessig says corruption is at the heart of American politics and issues a bipartisan call for change. Health advocate Rebecca Onie describes how our healthcare system can be restructured to not just treat — but prevent — illness. Lawyer Bryan Stevenson explains how America’s criminal justice system works against the poor and people of color, and how we can address it.