Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
The latest news and analysis on the U.S. and several Arab nations striking ISIS targets in Syria.
(CNN) – The fight to defeat terrorist group ISIS in Syria and Iraq will take years, says a Pentagon official.
"We've been very clear-eyed about the threat that these folks pose in the region and to American interests, elsewhere, too. We've all been saying that this is going to be a long, difficult, complicated struggle," said Pentagon Press Secretary Rear Adm. John Kirby.
"It's been characterized in terms of years. I think that's accurate," Kirby said.
For more of our interview with Rear Adm. John Kirby, check out the video above.
(CNN) – Under the cover of night, the American war with terror groups entered a new, more aggressive phase, striking ISIS inside its home base in Syria.
And the Pentagon says this is only the beginning.
CNN's Jim Sciutto reports.
(CNN) – The U.S. raised the terror alert in July because of al Qaeda splinter group known as Khorasan.
Just how close did this relatively unknown terrorist group actually come to pulling off an attack on the homeland, and is there anything that can be done to stop a group with these capabilities?
CNN national security analyst Juliette Kayyem, and former NCIS special agent Robert McFadden, now vice president of the Soufan Group discuss in the video above.
(CNN) – U.S. officials have known al Qaeda operatives in Syria, known as Khorasan, were plotting attacks since at least this spring.
But more recently intelligence suggested they were in an advanced stage of planning an attack, possibly against the U.S. using Western recruits. U.S. officials say they had to act fast to disrupt them.
CNN's Pamela Brown reports.
(CNN) – Former Jordanian foreign minister Marwan Muasher, also a CNN Mideast analyst, confirmed reports that Jordan joined the U.S.-led coalition against ISIS after uncovering a number of ISIS terrorists within its country.
"A number of attempts by ISIS to infiltrate into Jordan were taken particularly in the last few days. These were all repelled, including one that took place yesterday," Muasher said in an interview with CNN's "The Lead with Jake Tapper."