(01 of09)
Open Image ModalProtesters from Occupy DC march past the Washington Convention Center during a demonstration against the billionaire conservative donor Koch brothers and Americans for Prosperity, on November 4, 2011 in Washington, DC. Americans for Prosperity, founded by the Koch brothers, a conservative political advocacy group opposing government regulation, is holding its fifth annual meeting at the Convention Center. (NICHOLAS KAMM/AFP/Getty Images) (credit:Getty)
(02 of09)
Open Image ModalProtesters from Occupy DC march past the Washington Convention Center during a demonstration against the billionaire conservative donor Koch brothers and Americans for Prosperity, on November 4, 2011 in Washington, DC. Americans for Prosperity, founded by the Koch brothers, a conservative political advocacy group opposing government regulation, is holding its fifth annual meeting at the Convention Center. (NICHOLAS KAMM/AFP/Getty Images) (credit:Getty)
(03 of09)
Open Image ModalA protester from Occupy DC wears a Guy Fawkes mask near the Washington Convention Center during a demonstration against the billionaire conservative donor Koch brothers and Americans for Prosperity, on November 4, 2011 in Washington, DC. Americans for Prosperity, founded by the Koch brothers, a conservative political advocacy group opposing government regulation, is holding its fifth annual meeting at the Convention Center. (NICHOLAS KAMM/AFP/Getty Images) (credit:Getty)
(04 of09)
Open Image ModalProtesters from Occupy DC march near the Washington Convention Center during a demonstration against the billionaire conservative donor Koch brothers and Americans for Prosperity, on November 4, 2011 in Washington, DC. Americans for Prosperity, founded by the Koch brothers, a conservative political advocacy group opposing government regulation, is holding its fifth annual meeting at the Convention Center. (NICHOLAS KAMM/AFP/Getty Images) (credit:Getty)
(05 of09)
Open Image ModalProtesters from Occupy DC march scuffle with police in front of the entrance of the Washington Convention Center during a demonstration against the billionaire conservative donor Koch brothers and Americans for Prosperity, on November 4, 2011 in Washington, DC. Americans for Prosperity, founded by the Koch brothers, a conservative political advocacy group opposing government regulation, is holding its fifth annual meeting at the Convention Center. (NICHOLAS KAMM/AFP/Getty Images) (credit:Getty)
(06 of09)
Open Image ModalProtesters from Occupy DC march past the Washington Convention Center during a demonstration against the billionaire conservative donor Koch brothers and Americans for Prosperity, on November 4, 2011 in Washington, DC. Americans for Prosperity, founded by the Koch brothers, a conservative political advocacy group opposing government regulation, is holding its fifth annual meeting at the Convention Center. (NICHOLAS KAMM/AFP/Getty Images) (credit:Getty)
(07 of09)
Open Image ModalProtesters from Occupy DC march past the Washington Convention Center during a demonstration against the billionaire conservative donor Koch brothers and Americans for Prosperity, on November 4, 2011 in Washington, DC. Americans for Prosperity, founded by the Koch brothers, a conservative political advocacy group opposing government regulation, is holding its fifth annual meeting at the Convention Center. (NICHOLAS KAMM/AFP/Getty Images) (credit:Getty)
Protesters from Occupy DC block a street(08 of09)
Open Image ModalProtesters from Occupy DC block a street in front of the Washington Convention Center during a demonstration against the billionaire conservative donor Koch brothers and Americans for Prosperity, on November 4, 2011 in Washington, DC. Americans for Prosperity, founded by the Koch brothers, a conservative political advocacy group opposing government regulation, is holding its fifth annual meeting at the Convention Center. (NICHOLAS KAMM/AFP/Getty Images) (credit:Getty)
(09 of09)
Open Image ModalProtesters from Occupy DC march past the Washington Convention Center during a demonstration against the billionaire conservative donor Koch brothers and Americans for Prosperity, on November 4, 2011 in Washington, DC. Americans for Prosperity, founded by the Koch brothers, a conservative political advocacy group opposing government regulation, is holding its fifth annual meeting at the Convention Center. (NICHOLAS KAMM/AFP/Getty Images) (credit:Getty)