President Trump said Immigration and Customs Enforcement agents will assist TSA agents at airports as delays and security staffing shortages continue to worsen....

On this "Face the Nation with Margaret Brennan" broadcast, U.N. Ambassador Mike Waltz and NATO Secretary General Mark Rutte join Margaret Brennan....

Explore the mystery surrounding Mojtaba Khamenei, Iran's elusive new Supreme Leader after Khamenei's demise....