Miranda Devine, columnist for the New York Post and the author of "Laptop from Hell"

Topic: "Trump won’t choke against a weak Kamala Harris, Dems trying to fake their way to an election win" (New York Post op ed)

Terry Virts, a retired NASA astronaut, International Space Station Commander and colonel in the United States Air Force

Topic: Astronauts stuck in space, volunteering as an ambulance driver taking a caravan of ambulances to Ukraine