A four-minute video montage of “hate tweets” on YouTube directed at Sarah Palin and calling for her death is creating outrage on the Internet. The video was posted on Tuesday, before President Barack Obama’s Wednesday address calling for unity in the wake of the Tucson shooting rampage, which killed six and injured Rep. Gabrielle Giffords and 12 others. Sarah Palin, death, tweets, YouTubeThe montage is set to Alice Cooper’s song “School’s Out.” Among the tweets: * “Why couldn’t Sarah Palin get shot instead?” * “I hope Sarah Palin dies an ugly death and takes her moronic hate with her.” *...