Timeline: President Obama's presidency

A look back through President Barack Obama's presidency as the 44th President of the United States of America.

Obama signs wide-ranging defense bill

Credit: AP, 2011

December 31, 2011

Obama signs wide-ranging defense bill

President Obama signed the National Defense Authorization Act on Dec. 31, 2011 while on vacation in Hawaii despite having "serious reservations" about provisions in the bill regarding detention, interrogation and prosecution of suspected terrorists regulations.

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