I feel very fortunate and Dave couldn't have been nicer or more welcoming
But you're completely right about the freezing studio! All of the staff who came out on the stage frequently (we had great seats, 5th row right in front of Dave's desk) were wearing parkas - but when there was a break, Dave took off his jacket, he must have been too hot! Sticks in my mind since he was wearing suspenders! 
I've also been in the studio audience at The Daily Show - with Jon Stewart. It was warmer there, but at that show they searched you and I was very sorry I brought my purse. That was also a pretty small studio, unlike the Ed Sullivan Theater. IIRC, we sat on bleachers. Jon was really nice too, a comic came out beforehand, then Jon who took questions. And after the show he gave his notes to a woman sitting near me since she'd asked him about them before the show. 
And I don't get Dr. Phil or Dr. Oz, either. Oprah is anything but MAGA. However, I do think that Dr. Phil and Dr. Oz must have gotten worse over the years, especially now, since she's pretty savvy and outspoken so she would have seen through their acts. 
