Sarah Palin, who waded into a New York political fight by endorsing Ann Marie Buerkle in NY-25, is drifting into a decidedly higher-charged battle: The fray over a planned mosque near Ground Zero. "Peace-seeking Muslims, pls understand, Ground Zero mosque is UNNECESSARY provocation; it stabs hearts. Pls reject it in interest of healing," she tweeted Sunday. The building’s planners, the American Society for Muslim Advancement and the Cordoba Initiative, have said it’s modeled on religious and community centers such as the YMCA, and that the 13-story, $100 million building would also include an arts center, gym and a swimming pool,...