Here’s a teaser under 200 characters: Trump’s call to escort tankers through Hormuz is testing how far pacifist Japan can go, as legal limits and past precedents shape Tokyo’s response. US President Donald Trump's call for allies to send warships to escort oil tankers through the Strait of Hormuz has revived questions about how far pacifist Japan can go to support its closest ally in a conflict. Here are the narrow legal options ava... [3748 chars]