On February 26, 2009 the United States Senate voted on a bill that would restore the second amendment rights of the citizens of Washington DC. Although the bill passed, Kirsten Gillibrand, supposed pro-gun representative, voted no. Charles Schumer (D-NY) also voted no but that is no surprise.
The voting record for the bill can be seen HERE.
A summary of the portions of the bill that relate to firearms can be found HERE.