— — All it would take is a miscalculation — an error in interpretation by a single soldier, for example — to plummet the United States, North Korea and the region into war, some analysts warned. Imagine a North Korean surface-to-air missile operator who sees a U.S. B-1B bomber flying closer and closer to his country’s airspace and, after years of anti-U.S. propaganda that has portrayed an aggressive invader, thinks his country is at risk. What was a defensive military exercise, by U.S. accounts, becomes an international incident, with two pugnacious leaders — who don’t like to be seen as backing down — risking a wider conflict. While it may seem theoretical, a growing chorus of foreign policy experts across the political spectrum are warning that the standoff is closer to war than at any other time in recent years. Some even argue the problem is becoming intractable, if not impossible to solve, which makes military action that much more likely. As President Donald Trump heads to Asia on Friday for a 12-day trip, the North Korean crisis will be a top priority, especially because the United States is “running out of time,” according to his national security adviser, H.R….