And gain Putin as an ally and renew our relationship with Israel's Bibi as an ally. And that will certainly hurt ISIS.
Nonetheless, your eyes are wandering from what's more important, namely the well being of the American people.
Video of Cruz where the quote was taken.
https://www.youtube.com/watch?v=CU29vFYZBl4
Note: 4:45 in video.... does not sound like he was butting heads much with Trump, but supporting his own outline he just proposed.