Which government advertising campaign cost over $1 billion but was later found by the GAO to have had virtually no impact on its target audience?

Throughout history, government agencies have launched various public information campaigns with varying degrees of success. Some have changed public behavior dramatically, while others became infamous failures that wasted taxpayer money and damaged public trust. This poll tests your knowledge about one of the most notorious government advertising campaign failures in recent decades. Can you identify which campaign cost millions but achieved virtually none of its objectives?

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The National Youth Anti-Drug Media Campaign (1998-2004)
The 'Click It or Ticket' seatbelt campaign (2001-present)
The 'Only You Can Prevent Forest Fires' Smokey Bear campaign (1944-present)
The 'Truth' anti-tobacco campaign (1998-present)