What to expect in Ukraine, the Middle East and at the U.S.-Mexico border in 2025

President-elect Donald Trump has called for a swift end to the war in Ukraine, which has only escalated in recent weeks. He has also called for the safe return of all hostages remaining in Gaza, which could only happen if Israel and Hamas can reach a ceasefire agreement. CBS News National Security Contributor Sam Vinograd looks ahead to 2025.