Premier Giorgia Meloni on Monday welcomed the agreement reached between Washington and Tehran to end the Iran war.     "Last night, together with France, Germany, and the United Kingdom, we had already expressed our strong appreciation for the memorandum of understanding signed by the United States and Iran hours ago," Meloni said in a statement, referring to a joint declaration she signed with the leaders of the three other European powers.     "Heartfelt thanks go to all the mediators, and in