CNN The Lead With Jake Tapper November 6, 2015 21:07:00
We know that following reports that a bomb may have taken down a russian passenger plane tonight, transportation officials are tightening security at airports around the world where u.s.-bound flights originate. random checks are possible, bomb-sniffing dogs. but fliers won't see anything dramatically different. behind the scenes, though, there will be intense scrutiny on every item that's loaded onto planes originating overseas. >> reporter: overseas airports with direct flights to the united states are preparing for increased security measures. today, homeland security secretary jeh johnson ...