Bill Clark: Photojournalist
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Nevada Republican candidate for Congress Dr. Joe Heck helps volunteers call voters from his campaign office in Las Vegas on Oct. 31, 2010. Dr. Heck was seeking to unseat Democratic Congresswoman Dina Titus. (Photo By Bill Clark/Roll Call)
Â© 2011 CQ Roll Call
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.