Washington (CNN) -- House Speaker Nancy Pelosi on Tuesday led jubilant legislators and soldiers discharged under the "don't ask, don't tell" policy in singing "God Bless America" to celebrate the upcoming repeal of the controversial law. President Barack Obama will sign the repeal bill on Wednesday, and Pelosi did her part at the ceremony attended by hundreds of supporters of the repeal by signing the measure passed by Congress to send it to the White House. The "don't ask, don't tell" policy enacted in 1993 banned openly gay and lesbian soldiers from military service. More than 14,000 military members have...