The two of us are pretty adaptable people, open to change and compromise. John's gotten Carey to love the Steelers, South Park, and WASPs who play racquet sports. Carey's opened John's heart to kale, New York City, and terrible TV dramas like Revenge. But diet soda? On that one, he's not budging. Could the new Dr Pepper Ten, their aggressively male-targeted diet soda, change his mind?