At any given time, Wikipedia’s army of volunteer editors might be fighting a raging battle to make sure that a page contains the truth. That’s happening this week on Wikipedia entries about the coronavirus. Considering the state of information online, Wikipedia’s goal of providing free information for no incentive other than providing information is reassuring, assuming it can beat back the trolls. Host Molly Wood spoke with Katherine Maher, CEO of the Wikimedia Foundation, which oversees Wikipedia, and asked her how often the site gets hit by misinformation campaigns.