The rapidly escalating conflict in the Middle East threatens to overshadow this week’s meeting between Japan’s Prime Minister Sanae Takaichi and US President Donald Trump, where the two leaders are expected to deepen economic cooperation and collaboration in shipbuilding. Thursday’s summit at the White House puts Takaichi in a bind, caught between Trump’s call for Tokyo and others to send warships to help reopen the Strait of Hormuz and her country’s constitutional limits on taking part in...