Followers of the Kardashian clan were introduced to an unlikely new character this week: Marianne Williamson, the independent candidate running for soon-to-retire Representative Henry Waxman’s seat in California’s 33rd district. “I went to hear @mariannewilliamson speak the other night w @kourtneykardash & @rachel_roy,” Kim reported on Instagram. “Very inspiring!” Also inspired by the 61-year-old author and spiritual adviser: Katy Perry and Nicole Richie, who attended a recent campaign event sporting new green and purple dye jobs respectively; Steven Tyler and Chaka Khan, who performed at a fund-raiser; and former Desperate Housewives Eva Longoria and Marcia Cross, who reunited at another...