President Trump and Secretary of State Mike Pompeo at the White House on March 20. As the sun sets on Donald Trump’s presidency, one piece of potentially dangerous unfinished business is Iran’s nuclear program. Here’s an area where cool heads must prevail over the next two months to avoid an 11th-hour catastrophe. Both the United States and Iran have been messaging their resolve in recent days, in signals that have mostly gone unnoticed. Last Saturday, the Air Force flew a B-52 bomber task force from its base in Minot, N.D., to the Middle East, “to deter aggression and reassure U.S. partners and allies,” a Centcom news release announced . And this week, three officials said, the Navy is likely to begin moving an aircraft carrier task force toward the Persian Gulf, as a hedge against unanticipated events. The show of force comes as the Trump administration is drawing down […]