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

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

Former Trump National Security Adviser John Bolton tells CNN’s Anderson Cooper that the president’s tariff agenda is “economic illiteracy” and he should engage in tough negotiations with China on ...

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 ...

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

Senaotr Lindsey Graham (R-SC) called on his colleagues to probe President Donald Trump’s decision last week to pull the security detail for his former adviser and frequent critic John Bolton.

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 war." ...