Steven Sipple: As we learn about Matt Rhule, his hire of Donovan Raiola makes more and more sense; and NU's "happy place" vibe good only to a point
![Donovan Raiola Nebraska](https://on3static.com/cdn-cgi/image/height=417,width=795,quality=90,fit=cover,gravity=0.5x0.5/uploads/dev/assets/cms/2023/03/28120339/Z6A_5583-1.jpg)
Nebraska offensive line coach Donovan Raiola doesn't embrace the media glare, but he does draw praise from his fellow coaches.