The GOP's identity crisis just got more interesting with the recent media splash of Meghan McCain, eldest daughter of the senator who did not become president. Young McCain, who began blogging during her father's presidential campaign, recently made waves at The Daily Beast when she picked a fight with conservative media mavens Ann Coulter and Laura Ingraham. This is enough sport to make the little dog laugh, to say nothing of the dish and the spoon. McCain, just 24, is one smart cookie. In a matter of weeks, she has created a brand, presenting herself as a fresh face of...