Iran has agreed to free the 20-member crew of a seized South Korea-flagged ship, both countries said Tuesday, in what appeared to be the first significant gesture by the Iranians to de-escalate the problem since impounding the vessel a month ago. The Iranian move may also have been intended to send an indirect signal to the Biden administration, which has indicated it wants to avoid a further deterioration in relations with Iran after they worsened sharply under former President Donald J. Trump. In return for the release of the crew, the South Korean government said it had pledged speedy action to address Iran’s complaints about its inability to access $7 billion in Iranian money that has […]