Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
What's the U.S. plan on Russia's "all out" invasion? Plus, a look at the strategy for fighting ISIS.
(CNN) - The U.S. is considering new security measures at airports due to increased concern that terrorists from al Qaeda in the Arabian Peninsula are developing explosives designed to avoid detection by current security screening, U.S. officials tell CNN.
Officials tell CNN there is no imminent threat or plot; however, an additional vulnerability has been identified, which the Department of Homeland Security is working to address.