Senior geopolitical strategist Lt. Col. Darin Gaub joins 'Fox News Live' to weigh in on President Donald Trump's push for ceasefires in Ukraine and the Israel-Hamas war.

White House envoy Steve Witkoff said Thursday that Hamas' latest response in Gaza talks "shows a lack of desire to reach a ceasefire," and warned the U.S. is now considering "alternative options" for bringing the hostages home.