Trump hails Rubio as diplomatic mentor as secretary of state's power grows

President Donald Trump credited Secretary of State Marco Rubio with teaching him diplomacy while he shared an anecdote about his relationship with Chinese President Xi Jinping.

U.S. President Donald Trump addresses a gathering of global business executives on Jan. 21, 2026, during the World Economic Forum in Davos, Switzerland, amid ongoing diplomatic friction regarding his proposal to acquire Greenland from Denmark. (Chip Somodevilla/Getty Images)

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"I became a diplomat for the first time. Well, you know, taught me that? Marco Rubio. He said, ‘Let me teach you about diplomacy,’" Trump said. 

Trump has entrusted Rubio with a portfolio of responsibilities, and in addition to leading the State Department, Rubio also is serving as the national security advisor and head of the National Archives for the Trump administration. Rubio is the only person to oversee the White House’s National Security Council and lead the State Department since Henry Kissinger since the Nixon administration. 

"He's just really smart, really effective, and he's succeeded at everything he's done," Matthew Kroenig, a former Pentagon official and current vice president at the Atlantic Council think tank, told Fox News Digital. "He doesn’t see his job as containing Trump. He understands who the boss is and channels those instincts into constructive directions."

Secretary of State Marco Rubio attends a signing ceremony for a peace agreement between Rwanda and the Democratic Republic of the Congo at the State Department on June 27, 2025, in Washington.  (AP/Mark Schiefelbein)

Even so, Rubio has said that Congressional approval was not required since the operation was not an "invasion." 

Trump speculated in Switzerland that Rubio would be remembered as "the best" Secretary of State, and noted that every single member of the Senate voted to confirm Rubio for his post in January 2025.

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 "Hey, any guy that gets approved by 100% of the votes – you think of it, he got liberal Democrats and radical right Republicans to approve him," Trump said Wednesday. "He's the only one…At first I wasn't happy about it. I said, ‘Wait a minute, I don't like that.’ And now it turns out that the Democrats probably wish they didn't do that. And Marco has been fantastic." 

Fox News' Morgan Phillips contributed to this report.

Diana Stancy is a politics reporter with Fox News Digital covering the White House. 

https://www.foxnews.com/politics/trump-hails-rubio-diplomatic-mentor-secretary-states-power-grows