Thomas Homan, Former Acting Director of the U.S. Immigration and Customs Enforcement Agency

Topic: Illegal immigrants arrested on military base released after posting bail

George Pataki, former three-time Governor of New York State and the author of "Beyond the Great Divide: How A Nation Became A Neighborhood"

Topic: 9/11 plea deals

Lt. Col. Robert Maginnis, a retired U.S. Army officer and an experienced military analyst with on-the-ground experience inside Russia and Ukraine and the author of "Kings of the East"

Topic: Russia prisoner swap