In 2002, Chicago-based artist Sarah Krepp said she was raking leaves in her yard when a neighbor came up to her asking for advice on their art. This happened four times in the same month, she said.

College and high school student leaders from across the country came together at a Chicago summit to discuss political issues, and promote constructive dialogue as a way to bridge polarizing divides.

Student leaders from across the country flew to Chicago last week for a summit by BridgeUSA. The organization promotes constructive dialogue as a way to bridge political polarization and teach ...