Militant Attacks in India Claim 57 Lives GAUHATI, India - Militants bombed utilities, a tea plantation and a crowded marketplace in northeastern India on Sunday, intensifying violence that has killed 57 people in two days and snarling efforts to bring cease-fires in a region where dozens of ethnic rebel groups are fighting for separate homelands.    At least 17 bombings and shootings were carried out over the weekend in Nagaland and Assam states...