Full-throated singer Sheryl Crow is charging that organizers of Sunday's Grammy Awards tried to muzzle her antiwar protest. Crow had been planning to broadcast her opposition to an invasion of Iraq. "The Grammy committee called up my manager [and] said they wanted to keep it all neutral," she told one reporter. "I got calls from the Grammy committee making sure I was not going to show up in an obnoxious [antiwar] T-shirt like I usually do," she told another reporter. "I've really been loud and proud about how I feel about the war," added Crow, who came with her friend,...