Sen Tom Cotton warns of China's bio-threat after discovery of secret Las Vegas biolab Sen. Tom Cotton, R-Ark., discusses the alarming discovery of a secret Chinese-linked biolab in Las Vegas containing dangerous pathogens on ‘The Ingraham Angle.’ NEW You can now listen to Fox News articles! FIRST ON FOX: House Republicans are sounding the alarm over what they say is a growing threat from China-linked "paper mills" that may be injecting fake scientific research into U.S. government-funded