Gun rights activists gathered near the Washington Monument for the Second Amendment March on April 19, 2010.

"I want lower taxes and maybe a sandwich". Highly imaginative protest images were ubiquitous among the several hundred thousand who attended a "Rally to Restore Sanity and/or Fear" on the National Mall organized by Comedy Central talk show hosts Jon Stewart and Stephen Colbert in Washington DC on Saturday, October 30, 2010. (Photo by Jeff Malet)