text:  But Secretary of State Anthony Blinken said just yesterday there's momentum toward war because Israel doesn't have control over its northern border. And, Ari, I was talking with one U.S. official who said an indicator of a possible Israeli attack will be shifting its troops from Gaza to the border with Lebanon. Keep an eye on that. Daniel, I'm trying to imagine what it would look like for Israel to push Hezbollah out of an 18-mile Lebanese buffer zone. I mean, what does that even involve?