Elevators, curb cuts, automatic doors — all things most of us have taken for granted in the last 25 years since the Americans with Disabilities Act was signed into law. For able-bodied people, it makes our days more convenient. But for those with disabilities, ADA provides crucial access to aspects of everyday life. Judy Heumann is the State Department's special advisor for international disability rights. She was on the front lines fighting for people with disabilities over 40 years ago, and now she's doing it at the global level. She joined Tom Temin on the Federal Drive with more on the anniversary celebrations.