Sandy Goldberg is Professor of Philosophy at Northwestern University.\xa0He specializes in epistemology and philosophy of language, with particular interest in the social aspects of knowledge and speech; these foci converge in his ongoing work on testimony.\xa0Sandy has written several books including Relying on Others (Oxford 2010) and, more recently, Assertion (Oxford 2015); his forthcoming book is titled To the Best of Our Knowledge, and is forthcoming with Oxford University Press.\nThe "Why We Argue" podcast is produced by the\xa0Humanities Institute\xa0at the University of Connecticut as part of the\xa0Humility and Conviction in Public Life\xa0project.\nLearn more about your ad choices. Visit megaphone.fm/adchoices\nSupport our show by becoming a premium member! https://newbooksnetwork.supportingcast.fm/law