Gabriela writes, "Hopes&Fears starts the week with this roundtable in which we invite four professional skeptics to discuss the ins and outs of busting a hoax. From Ben Radford, deputy editor of The Skeptical Inquirer, to Susan Gerbic, founder of Guerilla Skeptics on Wikipedia, we discuss the real potential dangers of misinformation and disinformation in the digital age." "It's an especially important conversation in light of the current threat to defund Planned Parenthood after the organization was targeted by a fraudulent anti-choice organization, as well as the resurgence of diseases that have been well under control for the better part of the past century due to the well-fueled -- and well-refuted -- rumor that vaccinations cause autism. "As the saying goes, 'A lie can travel half way around the world while the truth is putting on its shoes.' This is especially true in the age of the Internet, and these experts work diligently to expose the truth." PH: Well you get into the proximity question, which is that people often confuse correlation and causation.