Sarah Palin beat Katie Couric in the ratings game Tuesday when the two women hosted competing morning shows. Palin, never one to hold punches, gloried in her dominance over “the ‘perky one.’” “[F]rankly, I’m ecstatic we beat the ‘perky one,’” Palin emailed Zap2it, along with some glowing compliments for the “Today” show staff and cast. Her problem was not with ABC, Palin made clear, just Couric, who was filling in as the host of “Good Morning America.” “I wouldn’t have gone up against ABC’s vacationing Robin Roberts, because she’s such a good egg,” said Palin. “By the way, both Robin...