Law enforcement, military work to secure transfer of power

Ensuring the security of an inauguration like no other continues on an unprecedented scale. Tens of thousands of National Guard and security personnel turned downtown Washington, D.C. into a fortress less than two weeks after a mob of insurrectionists attacked the U.S. Capitol. Amna Nawaz spoke with former FBI special agent Tim Gallagher and extremism expert Heidi Beirich to learn more.