Guests: R. John Hansman on "What Hazards Did Unidentified Objects that Were Shot Down Pose to Commercial Aviation?" Greg Treverton on "The Risks to Diplomacy From Intelligence Collection;" and Rachel Schmalz discusses "Russia's Plans to Topple the Government in Moldova."

A radio program featuring international and national news, expert guests, policy makers, and critics with analysis and insight on national security, foreign and domestic policy, political, cultural, and social issues. A production of The Full Disclosure Media Foundation (fdmedia.org). backgroundbriefing.org