What's the Difference Between David Ray Griffin and a Stopped Clock?

A stopped clock is right twice a day, while DRG is right once a year.

David Ray Griffin, the world’s leading scholar of the events of September 11th, 2001 and the author of the brand-new 9/11 Contradictions, will be making a surprise announcement that he has been wrong all along, and that there is “absolutely nothing suspicious” about the official story of 9/11.