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 ...

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

A former aide to U.S. President Donald Trump has recently come forward claiming the world leader "has no idea what he's ...

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

The tariffs on imports announced by U.S. President Donald Trump represent a significant opportunity for China and demonstrate ...