By Joseph Ax (Reuters) -Hours after swearing an oath to defend the U.S. Constitution on January 20, President Donald Trump ...

During his first presidency, Donald Trump clashed with one conservative Republican after another — from a secretary of state ...

John Bolton, who served as the national security adviser to President Donald Trump during his first term, said Monday ...

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 ...

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

Members of President Donald Trump's administration are increasingly feuding as they face an escalating series of ...

Donald Trump's second term has seen swift punitive actions against perceived adversaries. Within his first 100 days, Donald ...

John Bolton issued a warning Tuesday about why he believes Donald Trump’s tariffs are a ... who served as a national security ...