Republican luminaries and 2016 presidential hopefuls reiterated their support for Israel and skepticism about President Obama’s proposed nuclear deal with Iran as the Republican Jewish Coalition gathered Saturday at the casino of mega-donor Sheldon Adelson.

Two Texans, US Senator Ted Cruz and former governor Rick Perry, spoke to an organization that’s boasting of growing membership but also anxious about an Iran deal that was repeatedly described as a threat to Israel’s existence.