Assertion: president's policy | /r/CapableOf | prevent gay and lesbian people
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text: On December 22, 2010, Obama signed the Don't Ask, Don't Tell Repeal Act of 2010, which fulfilled a key promise made in the 2008 presidential campaign to end the Don't ask, don't tell policy of 1993 that had prevented gay and lesbian people from serving openly in the United States Armed Forces.