NPR's Michel Martin asks former U.S. National Security Advisor John Bolton about the prospects for security guarantees in Ukraine and what they might look like.

The Heritage Foundation's Victoria Coates weighs in on whether a ceasefire is in the cards of the Trump administration's peace negotiations with Russia and Ukraine on 'Fox Report.'

All personnel are reminded that holding a clearance is a privilege, not a right," read a memo announcing the action.

The FBI raided the home of former national security adviser John Bolton Friday morning at the order of FBI Director Kash Patel.

Former deputy national security advisor KT McFarland joins 'Fox & Friends' to discuss the feud over security guarantees for Ukraine and the Trump administration's decision to send warships near Venezuela.

Military chiefs from the United States and a number of European countries on Thursday presented options to their national security advisers for providing security guarantees to Ukraine, officials said.