Former Alaska Gov. Sarah Palin (R) on Wednesday accused the media of "blood libel" by looking to assign blame for the shooting of Rep. Gabrielle Giffords (D-Ariz.). Palin offered a pointed defense of herself and other political leaders who used sometimes heated rhetoric on the 2010 campaign trail — rhetoric some Democrats say created an environment that fueled the assassination attempt against Giffords. "After this shocking tragedy, I listened at first puzzled, then with concern, and now with sadness, to the irresponsible statements from people attempting to apportion blame for this terrible event," Palin said in a lengthy statement and...