In 1968, Pauline Kael, then The New Yorker's film critic, has famously been quoted as saying, "I can’t believe Nixon won. I don’t know anyone who voted for him.” The actual quote might actually have been a bit different, but the point remains: liberal elitists live in an echo chamber of their own ideas. On Monday, Phil Mattingly (recently named Kaitlin Collins' permanent replacement as a co-host of CNN This Morning) seemed to have his own Pauline Kael moment. Mattingly was commenting on a recent column by CNN analyst Ron Brownstein in The Atlantic entitled "Why Biden Just Can't Shake...