Local News White House/Pentagon - 9/11 12th Year Remembrance September 11, 2013 / 2:15 PM PDT / CBS News Obamas And Bidens Observe Moment Of Silence To Mark Anniversary Of 9/11 Attacks Obamas And Bidens Observe Moment Of Silence To Mark Anniversary Of 9/11 Attacks US-ATTACKS-9/11-ANNIVERSARY-OBAMA Obamas And Bidens Observe Moment Of Silence To Mark Anniversary Of 9/11 Attacks Obama, Hagel, Dempsey Attend Pentagon 9/11 Memorial Service President Obama Lays a Wreath at the Pentagon President Obama Lays a Wreath at the Pentagon President Obama Lays a Wreath at the Pentagon Obama, Hagel, Dempsey Attend Pentagon 9/11 Memorial Service President Obama Lays a Wreath at the Pentagon Obama, Hagel, Dempsey Attend Pentagon 9/11 Memorial Service Obama, Hagel, Dempsey Attend Pentagon 9/11 Memorial Service President Obama Lays a Wreath at the Pentagon Obama, Hagel, Dempsey Attend Pentagon 9/11 Memorial Service US-ATTACKS-9/11-ANNIVERSARY-OBAMA US-ATTACKS-9/11-ANNIVERSARY-OBAMA President Obama Lays a Wreath at the Pentagon US-ATTACKS-9/11-ANNIVERSARY-OBAMA Obama, Hagel, Dempsey Attend Pentagon 9/11 Memorial Service President Obama Lays a Wreath at the Pentagon President Obama Lays a Wreath at the Pentagon President Obama Lays a Wreath at the Pentagon President Obama Lays a Wreath at the Pentagon President Obama Lays a Wreath at the Pentagon US-ATTACKS-9/11-ANNIVERSARY-OBAMA President Obama Lays a Wreath at the Pentagon Obama, Hagel, Dempsey Attend Pentagon 9/11 Memorial Service Obama, Hagel, Dempsey Attend Pentagon 9/11 Memorial Service Obama, Hagel, Dempsey Attend Pentagon 9/11 Memorial Service US-ATTACKS-9/11-ANNIVERSARY Obama, Hagel, Dempsey Attend Pentagon 9/11 Memorial Service