Western leaders have long criticized OPEC’s power to raise oil prices, and the bloc continues to influence the global market even as U.S. oil production has soared and alternative energies have come …

Modern vice presidents can trace much of their political influence to the broad reforms that Jimmy Carter and Walter Mondale made to the second-highest elected office in the late 1970s.

Foreign policy issues regularly come to the fore at the national political conventions, especially during periods of global instability. Sometimes the events are marked by bitter disagreements within…