Washington Post photographer Nikki Kahn has been following President Obama on the campaign trail. Here are some of the images she has captured.
Aug. 31, 2012 President Obama speaks to troops at Fort Bliss in El Paso, Tex. He spoke about an initiative to expand mental-health services for returning warriors. Obama’s trip to Fort Bliss came two years to the day after he formally ended the U.S. combat mission in Iraq. Nikki Kahn/THE WASHINGTON POST Buy Photo