John Donvan has been host and moderator of Open to Debate (recently changed from Intelligence Squared US) since 2008. John is also an author and four-time Emmy Award winning journalist who during his career reported for ABC, CNN, and PBS, including multi-year postings in Moscow, London, Jerusalem, and Amman, and he spent one term as chief White House correspondent for ABC News. His 2016 book, "In a Different Key: The Story of Autism" was a New York Times bestseller and a Pulitzer Prize Finalist - there is also a PBS documentary of the same name based on it.

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