- Major donor gave $10 million to pro-Ted Cruz super PAC, but it's not airing ads
- Toby Neugebauer has discussed pulling his money, sources say
- "We've all come to grips with the fact that it's never going to get spent"
(CNN)Ted Cruz is struggling to unite the Republican Party's anti-Donald Trump vote and needs every dollar he can get. So why is the backer behind a $10 million super PAC last year not spending any money with no ad buys in sight?