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.

The United States cutting short Gaza ceasefire talks this week plunges one of President Donald Trump’s pushes to solve global conflicts into new uncertainty

The U.S. has withdrawn from Doha ceasefire talks after Hamas' response showed a "lack of desire" for an agreement. Israel also pulled negotiators amid escalating demands.