KOLKATA, India (Reuters) - Hundreds of people are thronging a hospital in the eastern Indian city of Kolkata to see a patient holding a piece of his own skull that fell off. Doctors say a large, dead section of 25-year-old electrician Sambhu Roy's skull came away Sunday after severe burns starved it of blood. "When he came to us late last year, his scalp was completely burned and within months it came off exposing the skull," Ratan Lal Bandyopadhyay, the surgeon who treated Roy told Reuters Wednesday. "Later, we noticed that the part of his skull was loosening due to...