"Mike Pompeo is doing a great job, I am very proud of him. His predecessor, Rex Tillerson, didn't have the mental capacity needed," Trump tweeted on Friday.
President Donald Trump has overseen unprecedented turnover in the early months of his administration.
President Donald Trump's former Secretary of State told graduating seniors that they had a responsibility to "confront the crisis of ethics and integrity in our society and among our leaders."
Gina Haspel has been accused of being involved in controversial interrogation methods.
China said the U.S. should abandon its "tinted glasses" and "hegemonic mindset" toward Beijing's growing economic and military role in Africa.
Over a dozen top officials have resigned or been fired just over a year into the Trump administration, frustrating U.S. allies and foes alike.
"Some would argue that it would take a moron to tell the world that you're unstable and that you lurch around and can't make decisions," Mika Brzezinski said.
The National Endowment for Democracy was created in 1983 to fund and proliferate pro-U.S. and pro-democracy institutions abroad.
"This sends a clear signal that women's reproductive rights are not a priority for this administration," a State Department official told Politico.
"We're going to lock arms, we're going to work through the issues that are causing difficulty for us," Tillerson said.
Tillerson ended his weeklong trip to Latin America on Wednesday. Was he able to rally support around Trump's policies in the region?
Luis Videgaray, Mexico's Secretary of Foreign Affairs, also said his country's diplomatic relations with the White House are "more fluid and closer than with previous administrations."
The president's alleged comments were condemned by African leaders.
Top U.S. officials on Tuesday said Russia is responsible for recent attacks committed by Syrian Bashar al-Assad's regime.
He said that he doesn't know in advance if or when Trump plans to tweet.
President Trump didn't believe Secretary of State Rex Tillerson called him a "moron" but did challenge him to an IQ test.
In a call with Secretary of State Rex Tillerson, the Russian foreign minister said that Trump's "aggressive rhetoric" towards North Korea was raising tensions in the Korean Peninsula.
The U.S secretary of state said, "There is broad consensus among all the NATO members that there is no normalization of dialogue with Russia today."
Senators have called Tillerson's reorganization plan "very unsatisfactory."