"We're having a war with our friends and really crippling our ability to deal effectively with China," Bolton told CNBC.

John Bolton issued a warning Tuesday about why he believes Donald Trump’s tariffs are a “form of economic illiteracy” that ...

U.S. President Donald Trump does not understand how tariffs work, former U.S. National Security Advisor John Bolton says.

During Monday's meeting with the press, Trump said of Ukraine: "When you start a war, you've gotta know that you can win the ...

John R. Bolton served as national security adviser to President Donald Trump and as U.S. ambassador to the United Nations under President George W. Bush. He is the author of The Room Where It ...

John Bolton has sharply criticized Steve Witkoff, President Donald Trump's special envoy who has been dealing with Russia in talks to end its war on Ukraine, calling him a "propaganda vehicle" for ...

Former national security adviser John Bolton said he doesn't believe administration officials will yet lose their jobs as a result of Signalgate, the discussing of highly sensitive matters on the ...

In the aftermath of the Signal war texting leak, former Trump national security adviser John Bolton warned that the current administration's use of a commercial platform in lieu of a secured ...

Former national security adviser John Bolton said it was “stunning” that none of the Trump administration officials on a war planning group chat suggested they not use Signal. Bolton joined ...

John Bolton, Donald Trump’s former national security adviser, called out the president Friday for singing a familiar tune with his talk of taking over Greenland. “The language that he uses is ...

Former national security adviser John Bolton went after multiple Trump administration officials on Monday for reportedly using the messaging app Signal to conduct government business.