Well, I think most analyses show that conservative guests outnumber liberal guests 2-1 on these network sunday shows, so Katrina is at least a liberal guest. I couldn't believe that Tapper had Gingrich and Bohner on the first of the 1/29 show - with absolutely no challenge to anything either said.
I think Steph should know the facts before he allows 'debate' - if you can call it that.