5:47 p.m. ET: In an interview with "Nightline," Bradley Cooper talks about his unusual career path, the difficult role in his new movie, "Silver Linings Playbook," and why he almost turned down People magazine's "Sexiest Man Alive" title. Watch a sneak peek HERE:

4:54 p.m. ET: EXCLUSIVE:

"Raising tax rates is unacceptable," House Speaker John Boehner told "World News" anchor Diane Sawyer in his first broadcast interview since the election Tuesday. "Frankly, it couldn't even pass the House. I'm not sure it could pass the Senate."

Read the full story HERE

Credit: Martin H. Simon/ABC

2:47 p.m. ET: Former Arizona congresswoman Gabrielle Giffords looked in the eyes of the man who shot her today and, through her husband, said she is now "done thinking about you."

Giffords was sitting in the second row of the courtroom with her husband, ex-astronaut Mark Kelly and she stretched to get a better view of Jared Loughner when he entered the courtroom.

Loughner was sentenced to life in prison today.

Read the full story HERE

Credit: U.S. Marshal's Office/AP Photo

12:05 p.m. ET: NIGHTLINE UPDATE: A man who spent almost four decades in prison for killing two people in the Arizona desert today pleaded no contest to two counts of second-degree murder and will go free.

Bill Macumber entered a plea in Maricopa County Superior Court under an agreement with prosecutors and received a sentence of time served. Although the victims' family asked Judge Bruce Cohen to deny his request, prosecutors said they couldn't pursue a third trial because key evidence had been destroyed or lost.

Read the full story HERE

This is an update to a story "Nightline" originally covered in 2010. Watch that report HERE:

10:05 p.m. ET: A nor'easter's wind, rain and snow has knocked out power to many Northeast residents who'd only recently gotten it back after superstorm Sandy battered the region last week.

Read the full story HERE and watch our "Nightline" report from the Rockaways last night:]