Glenn Beck has a policy of not endorsing candidates - sort of. While he is faithful about his disclaimers on air, he finds it hard (as most of us would) to not like one or the other contestant in a race. His trusty assistants Stu and Pat don't make it any easier with their on-air needling of him about the statements made by candidates while they are being interviewed.
Generally the callers acquit themselves well, and some really shine such as when Marco Rubio calls in or Chuck DeVore. This time, however, things really went the wrong way with Glenn had on Debra Medina of Texas. I think it's safe to say that the radio audience was probably as shocked as the guys in the studio as the questioning of her positions unfolded.
Read the transcript here. Definitely worth the read.