He didn't say that. Get your facts straight.
http://www.freerepublic.com/focus/news/3372955/posts?page=89#89
How do you interpret that quote. Cruz intentionally insinuated that Trump could not be trusted with his finger on the nuclear button. Do you need to parse the statement like a Clinton to find the wiggle room?
Here is the Audio:
http://theconservativetreehouse.com/2015/12/11/smug-cruz-the-full-recording-of-ted-cruz-comments-about-donald-trump-and-ben-carson/
See #95. You are twisting the words.