Documentary on her life and her losing her singing voice to Parkinson's disease. Free on YouTube.
Michael J. Fox
In 1998, Fox publicly disclosed that he had been diagnosed with Parkinson's disease seven years earlier. Fox subsequently became an advocate for finding a cure and founded the Michael J. Fox Foundation in 2000 to help fund research --wikipedia
"to walk straight ahead no matter what" (Zen saying)
"Within the context of one's dedication to spiritual truth" --by request
This speech by President Reagan
President Reagan's Remarks at an Ecumenical Prayer Breakfast in Dallas, Texas on August 23, 1984.
We Are the World
Released in 1985. "The 46 vocalists who showed up may have formed the ultimate musical supergroup of all time." --Rolling Stone. Video embedded.