FILE - In this March 26, 2007 file photo, Andrew Chapin of New York City takes part in a rally on Capitol Hill in Washington supporting legislative efforts to repeal the military's "Don't Ask, Don't Tell" policy regarding gay soldiers. National security adviser James Jones says President Barack Obama is committed to taking on the "don't ask, don't tell" ban on gays serving openly in the military. But Jones says the president has many other pressing matters on his desk, including wars in Iraq and Afghanistan. (AP Photo/Susan Walsh, file)
A repeal of the Pentagon's ban on openly serving gays can be implemented now, even in wartime, with little risk to the U.S. military's ability to do its job, according to a Defense Department study released Tuesday.
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