Bill Clark: Photojournalist
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The Secret Service keeps a look out from the roof of the Capitol as President Barack Obama and Irish Taoiseach Brian Cowen prepare to walk down the steps of the Capitol following the Annual St. Patrick's Day Luncheon on March 17, 2009.
© 2009 Roll Call Photos
all images © Bill Clark: Photojournalist
Bill Clark is a staff photographer for Roll Call newspaper, covering Congress and national politics on a daily basis in Washington, DC.