Millions of disabled Americans benefited from 1990 law, signed by President George H. Bush, barring discrimination in all aspects of public life, including employment.
Millions of disabled Americans benefited from 1990 law, barring discrimination in all aspects of public life, including employment.

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In this Nov. 11, 2010 file photo, 43-year-old Peter Berg who lost his vision to diabetes in his 20s, works at his office in Chicago. Using software that reads content to him, he can surf websites for work, check Facebook and pay his bills online.

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Rep. Jim Langevin, D-R.I., heads to the House floor on Capitol Hill in Washington Monday, July 26, 2010 to preside over the House after an event celebrating the Americans with Disabilities Act.

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Matthew McMeekin poses with his mother, Bebe McMeekin at their home in Bethesda, Md. in this Feb. 10, 2014 file photo. Most Americans with intellectual or developmental disabilities remain shut out of the workforce, despite the ADA.

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Then President Bill Clinton signs new disabilities legislation at the FDR memorial Dec. 17, 1999 that could allow as many as eight million disabled Americans to go to work without fear of losing their federal health insurance.