CNN's First Anchors on the Birth of 24-Hour Cable News

Dec. 4 (Bloomberg) –- For its 85th anniversary, Bloomberg Businessweek chronicles the most disruptive ideas of the past 85 years. In 1980, Cable News Network, the first 24-hour news channel, makes its debut. David Walker and Lois Hart anchored CNN's first newscast. (Video by Brandon Lisy. Music by Andy Clausen) (Source: Bloomberg)