Thus far, four Democratic 2020 candidates have done town halls on Fox News. (Gillibrand, Klobuchar, Sanders, and Buttigieg.) Now a fifth contender has approached the network looking to get a slice of that high-ratings goodness, and it’s none other than New York City Mayor Bill de Blasio. Of course, people were quick to point out that it might be a bit awkward for Hizzoner to go to Fox with his hat in his hand after some of the things he’s said about the network in the past. And we’re not even talking the distant past. (Free Beacon) New York City...