This week our team welcomes Susan Gerbic back to the show to talk about her and Mark Edward's sting operations to reveal psychics and their techniques in conning people and why Wikipedia is probably the most important asset in the hands of skeptics in the never-ending fight against pseudoscienc and quackery. And this is also a call for new editors from around the world to join the international team she leads, Guerrilla Skepticism on Wikipedia.Enjoy!

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