Bill Clark: Photojournalist
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U.S. Capitol Police take up positions at one of the entrances to the Capitol Power Plant as protesters approach to voice opposition to the use of coal in the facility on March 2, 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.