Lamar Johnson is in prison for a murder two other people confessed to committing, but Missouri law says that a prosecutor can only seek a new trial within 15 days of a conviction— in Johnson’s case, back in 1995. A new state law set to go into effect later this month will give prosecutors more power to correct wrongful convictions, even years later. | NBC Nightly News with Tom Llamas

“Live from the Berlin Wall…” Tom Brokaw reports on the historic night in 1989. We're celebrating Brokaw's first 50 years with NBC News. Read some of his colleagues' fondest memories of working with him: http://nbcnews.to/2k73Ozf | NBC News

WATCH: Tom Brokaw with some thoughts tonight on where things stand and where things are headed as the nation prepares to elect a new president -- (tap the video for sound) | NBC Nightly News with Tom Llamas