John P. Walters appears on Hold These Truths with Dan Crenshaw to discuss how the Obama administration鈥檚 policies made America鈥檚 drug crisis exponentially worse and the root causes of the fentanyl crisis.
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The P4 laboratory, on the campus of the Wuhan Institute of Virology, in Wuhan, in China's central Hubei province. (Hector Retamal/AFP via Getty Images)