TUNISIA UPHEAVAL | Amid demonstrations unprecedented during his more than two decades in office, authoritarian Tunisian President Zine al-Abidine Ben Ali was forced to step down as thousands converged on the interior ministry building in the capital of Tunis.

ARIZONA TRAGEDY | Mourners remembered 9-year-old Christina Taylor Green in first of the funerals for the six victims killed in the Tucson shooting. Doctors treating Rep. Gabrielle Giffords, D-Ariz. said she continued to show signs of recovery. JARED LEE…

PRESIDENT OBAMA IN TUCSON | At a memorial service on the University of Arizona campus, President Obama will remember the victims of Saturday's shooting and honor those still recovering from their injuries, including Rep. Gabrielle Giffords, D-Ariz. We'll carry…

Updated ARIZONA SHOOTING | Surgeons treating Rep. Gabrielle Giffords, D-Ariz., are tentatively optimistic about her recovery but caution that surviving an injury of this magnitude is a long and uncertain process. Gwen Ifill has the latest. GUN LAWS…

ARIZONA SHOOTING | Rep. Gabrielle Giffords, D-Ariz., remains hospitalized in critical condition as colleagues, family and friends mourn the loss of the six people who died in Saturday's shooting at a political meet-and-greet in Tucson. The alleged shooter, 22-year-old…

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