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.

The president's former national security adviser told CNN that Trump's threats of sanctions against Russia were empty.

In its first 24 hours in office, the Trump administration removed U.S. Secret Service protection from former Trump national security adviser John Bolton, who became a critic of the president after ...

Former national security advisor John Bolton called for a "far stronger" response from Israel after Iran launched a missile and drone attack against the country. Bolton, a UN ambassador under ...