Brian Williams Raps Dr. Dre, Snoop Dogg on 'Late Night with Jimmy Fallon,' 'Nuthin' but a G Thang' VIDEO [WATCH]

Brian Williams, the host of "NBC News," has proven to be humorous at times during his stops along the talk show circuit. Still, he was probably one of the last people Dr. Dre and Snoop Dogg expected to see covering their 1992 hit "Nuthin' But a 'G' Thang" during "Late Night with Jimmy Fallon." Read More »