The United States is a global leader in defending the rights of people with disabilities, thanks largely to the Americans With Disabilities Act of 1990, one of President George H.W. Bush’s crowning accomplishments. Now the Senate has a chance to extend the spirit of that law — and with it, real protections for the disabled — beyond our borders. It can vote on Tuesday to ratify the United Nations Convention on the Rights of Persons With Disabilities, which declares that all citizens, regardless of ability, deserve to live in dignity, safety and equality under the law.

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