Control of the Strait of Hormuz has emerged as the central fault line in US-Iran negotiations, with US President Donald Trump appearing to recast an earlier off-the-cuff idea into a more formal proposal that seeks to bridge Tehran’s push for dominance and Washington’s insistence on open passage.Following his Tuesday announcement of a two-week ceasefire, Trump on Wednesday told the American Broadcasting Company that his administration may seek a “joint venture” with Iran to safeguard the global...