'I Am Cait': Reacting to all the ways that reactions can be reacted to

In the opening of E!'s highly anticipated, certainly heartfelt but anticlimactic reality show "I Am Cait" (premiering Sunday), we travel to the top of the severely parched hills that overlook Malibu, Calif., where Caitlyn Jenner sits in her house surrounded by those who act as friends or advisers or stylists (the distinctions blur), while she is basking, nervously, in the instant sensation of her Vanity Fair cover appearance.