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Sam Stein sits down with Lt. Gen. Mark Hertling (Ret.) to break down the recent Maduro operation in Venezuela, the challenges of coordinating military and political strategy, and what the U.S. would actually gain from Greenland. Mark will break down the biggest stories involving the military in a series of chats right here, every Thursday, in a special series.

In the New Year, take ownership of your health with ZocDoc, at https://ZocDoc.com/BULWARKTAKES.