Watch SegmentsBack to all segmentsDifference Maker Quinn BradleeSeason 1 | Episode 5AutismDifference Maker Dr. Dawn Prince-HughesSeason 1 | Episode 4AutismDifference Maker Jhillika KumarSeason 1 | Episode 3Difference Maker U.S. Sen. Tom HarkinSeason 1 | Episode 2ADD, ADHDDifference Maker Matt MorganSeason 1 | Episode 1Previous 1 … 3 4 5