Which iconic news magazine programme, airing on CBS since 1968 and hosted by Mike Wallace and Morley Safer, pioneered the investigative television journalism format?

• A 20/20
• B 60 Minutes ✓
• C Dateline NBC
• D Frontline

60 Minutes, created by Don Hewitt, is the most successful and longest-running primetime broadcast in history, winning more Emmys than any other primetime programme.