Over the past few weeks, the long, frosty relationship between the U.S. and Venezuela reached a boiling point. The United States launched a series of strikes against vessels alleged to be carrying drugs, calling it a counter-narcotics mission. But the growing military buildup of American forces in the region suggests there may be another target: President Nicolás Maduro, the Venezuelan dictator who's been in America's crosshairs for years. This summer, the U.S. Justice Department announced a $