The fate of the Iran deal will be a key issue during French President Emmanuel Macron's state visit to Washington beginning Monday, followed by talks with German Chancellor Angela Merkel in Washington on Friday.
While the leader of the oldest ally of the US and Trump have appeared friendly for the cameras, they differ on several significant issues, among them the Iran nuclear deal, Syria, the Paris climate accords and Trump's recent steel and aluminum tariffs.
"The friendship between our two nations and ourselves is unbreakable", Trump told Macron during his trip to Paris last July, which ended with their famous 25-second-long handshake.
The three countries launched 105 missiles in retaliation for a suspected poison gas attack in Syria, targeting what the Pentagon said were three chemical weapons facilities.
But Iran says it will neither tolerate anything beyond its commitment to the nuclear deal, nor accept changes to the agreement.
Furthermore, Macron never misses an opportunity to condemn the forces of right-wing nationalism and populism - which brought Trump to power - and did so again last week during a speech to the European Parliament.
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"It's not innocent", Macron said of his "direct, lucid" body language toward Trump.
"The question is also why does Trump like Macron?"
Iran's economy would not be negatively affected by the possible withdrawal of the USA from the 2015 global nuclear deal, Iran's President Hassan Rouhani said Saturday.
"Fox News Sunday" host Chris Wallace noted some in the French press have compared Macron to Napoleon and King Louis XIV since he took office in 2017.
Trump is set to announce a final decision on the Iran deal and whether to prolong an exemption on European Union metals imports in the first few weeks of May. He said he would not "judge" Trump over the investigations or other controversies.
"If you make war against everybody, you make trade war against China, trade war against Europe, war in Syria, war against Iran - come on, it doesn't work", Macron said.