Global problems such as terrorism, inequality and political dysfunction aren't easy to solve, but that doesn't mean we should stop trying. In fact, suggests journalist Jonathan Tepperman, we might even want to think riskier. He traveled the world to ask global leaders how they're tackling hard problems -- and unearthed surprisingly hopeful stories that he's distilled into three tools for problem-solving.

Jonathan Tepperman: The risky politics of progress

The risky politics of progress

Canada's shift from a 'White Canada' policy to embracing multiculturalism illustrates a transformative approach to immigration.

Indonesia's strategic focus on equity to combat extremism highlights the importance of addressing root causes for lasting peace.

Mexico's political breakthrough, achieved through compromise and trust, showcases the power of unity in overcoming paralysis.