In the days since deposing Nicolás Maduro, President Trump has given several justifications for his dramatic actions in Venezuela. But perhaps most central to his ambitions is opening Venezuela’s oil fields to American companies. Anatoly Kurmanaev, who covers Venezuela, explains the history behind Mr. Trump’s claims of ownership and what it would really take to get the oil back. Guest: Anatoly Kurmanaev, a reporter for The New York Times who covers Venezuela. Background reading: The United States detailed a plan for Venezuela’s oil sales after Mr. Trump claimed millions...