The U.S. seizure of a Venezuelan oil tanker has been described as a " significant," even " dramatic," escalation of President Donald Trump's campaign to pressure Nicolás Maduro, the country's dictator, out of office-but this isn't quite the case. The seizure might serve as part of a rationale for regime change, which Trump has been advocating, in part through aggressive rhetoric, in part by deploying military forces to the Caribbean, including more than 15,000 troops and a dozen warships, including an aircraft carrier.