The Joys of Watching Whitney Port Watch Herself on 'The Hills' and 'The City'

The tone of "Reacting to The Hills" and "Reacting to The City"--Port's twin YouTube shows with her husband, Tim Rosenman--is less a scene-by-scene analysis of the reality series than a playful riff on their absurdities, as illuminated by 15 years of hindsight.