You're right to a degree, but Obama won the Republican vote 53-47% from the exit polls I saw in Texas. Clinton won the Dem vote. Obama won the idies.
Clinton did win the portion of the Republicans who considered themselves "very conservatives" who might have been the Limbaugh listeners.
Overall Republicans seemed to cancel themselves out in Texas. I think if Limbaugh hadn't been on the drumroll, Republicans would have went to Obama in crossover because they dislike Clinton via name recognition.
Here's a breakdown of conservative vote in Texas.
It's true that Limbaugh was on the warpath for Hillary but there were enough R's who wanted to stomp out the Clintons for good in Texas that it was a wash. R's were only 10% of the dem vote in Texas, and I don't think they did much since Obam only won them by a few percent.
