Every other week, we’ll provide you with expert analysis on America’s greatest challengers: China, Russia, Iran, North Korea, and jihadists. ***IranOver the last two weeks, President Donald Trump repeatedly threatened major attacks on Iran. Reopening the strait was one of the original objectives of the memorandum of understanding reached between Washington and Tehran in June. Every other week, we’ll provide you with expert analysis on America’s greatest challengers: China, Russia, Iran, North Korea, and jihadists. ***IranOver the last two weeks, President Donald Trump repeatedly threatened major attacks on Iran.