When monologist Mike Daisey was caught fibbing on This American Life, it got me thinking about competing definitions of truth—artistic and journalistic—and the way they get blurred by storytelling. In part 1 of today's show, I spoke to Craig Silverman, who's written about fact-checking and who monitors journalistic accuracy in his blog Regret the Error. In part 2, erstwhile fact-checker Jim Fingal, co-author with John D'Agata of the book "The Lifespan of a Fact."