Meghan McCain has officially left On Friday, the 36-year-old conservative commentator celebrated her final day on the ABC talk show with two special guests — her mom, Cindy McCain, and Arizona Sen. Kyrsten Sinema. «I am so proud of Meghan. What I look forward to, in many ways, is to see more of her and to certainly see more of my granddaughter, Liberty,» Cindy, 67, shared.