President Obama, First Lady Mark One Year Anniversary of Newtown School Shooting

26 candles were lit at the White House to mark victims of deadly shooting in Newtown, CT.

Chris Christie Replaces Appointee Amid Bridge Scandal

N.J. governor accepts resignation of Bill Baroni as controversial September lane closure is probed.

Schizophrenic Sign Language Interpreter: Was Obama at Risk?

Secret Service responds to new revelations about the interpreter at Nelson Mandela's memorial.

Kim Jong Un Executes Powerful Uncle

North Korea's Young leader's uncle was accused of trying to overthrow him.

Nelson Mandela Memorial Service Signer's Mental Health Questioned

New revelations emerge about his mental state and possible violence in his past.

Bipartisan Budget Deal Creates Rift in GOP

Speaker John Boehner slams conservative groups for criticizing bill he says they have never seen.

Press Secretary Grilled Over White House Photographer Access

Jay Carney debates White House Press corps, says Obama administration "didn't create the Internet."

Obama Returns Home to News of Budget Deal

A potential budget deal could mean no government shutdowns for at least two years.

Obama at Mandela Memorial: 'His Triumph Was Your Triumph'

Over 100 heads of state join Nelson Mandela's family and country to mourn the civil rights leader.

Obama, Castro Shake Hands at Mandela Memorial

President Obama shook the Cuban president's hand while greeting other world leaders.

56 World Leaders Expected for Mandela Memorial

Royal family and former US presidents to pay respects to the South African peace leader.

Controversial Pentagon Contract for Russian Helicopters Under Scrutiny

Top secret study recommended use of Russian helicopters to support Afghan troops.

'This Week': Mandela and America

ABC's Jonathan Karl on Nelson Mandela's relationship with U.S. presidents.

Sunday Spotlight: Koppel and Mandela

"This Week" looks back at Ted Koppel's historic interview with Nelson Mandela, days after his release from prison in Feb. 1990.

'This Week': Powerhouse Roundtable

Matthew Dowd, James Carville, Mary Matalin, and Michael Eric Dyson on the week's politics and Mandela's legacy.

Transcript for President Obama, First Lady Mark One Year Anniversary of Newtown School Shooting