Many of the European politicians expected to be in Washington on Monday share President-elect Donald J. Trump’s anti-immigrant stance.

Cecilia Sala found herself in the middle of Iran’s hostage diplomacy.

The request to revoke the man’s arrest came only days after Iran released an Italian journalist. Iranian state news said the man was now in Tehran, but Italy has not confirmed that.

Giorgia Meloni, the Italian prime minister, joins just a handful of other world leaders who have been to the president-elect’s Florida estate since his victory.