Venezuelan interim President Juan Guaidó took a big gamble last Tuesday when he stood outside La Carlota air base in Caracas at dawn and called on the military to drop its allegiance to dictator Nicolás Maduro. The call to action provoked street demonstrations across the country, but the plan fizzled. Mary Anastasia O’Grady writes in the Wall Street Journal that “The opposition would have more leverage if it could end the occupation of the country by Cuba, Russia, and Iran. When that happens Mr. Maduro loses his godfathers. But thus far the U.S. and its regional allies have given this axis of evil little incentive to withdraw. On Friday President Trump even played down Moscow’s role in Venezuela after a long phone call with Vladimir Putin. That’s good news for Mr. Maduro, who last week was reportedly giving polygraph tests to military officers he suspected of betraying him. Whether he has any real power, or ever did, remains a question.”