He sure is, and yesterday morning David Limbaugh was interviewed by Elisabeth Hasselbeck, who asked him who the most conservative candidate is. He replied “Ted Cruz”
This interview he did with Robert George was really good if a bit dry. (dry meaning thoughtful and detailed)
https://www.youtube.com/watch?v=dr_yshI9D7A
If you want something a bit lighter while just as thoughtful, his interview with Steven Crowder is just as good.
https://www.youtube.com/watch?v=EUjCgLCejV8