Marco Rubio is suddenly facing his most daunting puzzle in his 28 years in politics.
- The U.S. secretary of state didn't just help mastermind the ouster of Venezuela's dictator on Saturday. Rubio is now in charge of making sure President Trump's risky move against Nicolás Maduro doesn't descend into chaos.
Why it matters: The U.S. is now effectively laying claim to the country with the globe's largest proven oil reserves — a move that could threaten global stability and complicate U.S. relations with China, a major buyer of Venezuelan crude.