WATCH: Cruz sounds alarm on Trump Iran deal, warns against handing billions to 'theocratic lunatics'

A bipartisan group of lawmakers voiced strong skepticism about President Donald Trump's newly signed Iran peace deal, arguing the agreement leaves Iran in a stronger position while questioning whether the United States secured enough in return. Prior to Trump signing the memorandum of understanding (MOU) on Thursday, Sen. Ted Cruz , R-Texas, offered some of the sharpest criticism among lawmakers, arguing the deal rewards "theocratic lunatics" of a hostile regime. "Giving billions of dollars to t