Ragtag rebel forces try and force an end to the 42-year reign of Libyan leader Moammar Gadhafi.
Sara Sidner reports from Tripoli as rebels celebrate what they believe is the collapse of the Gadhafi regime.
Julie Denesha/Getty Images
Boy Scouts of America
Pete Souza/The White House
Frederick M. Brown/Getty Images
Dimitrios Kambouris/Getty Images
Larry Busacca/Getty Images
Vittorio Zunino Celotto/Getty Images for Kering
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