GUANTANAMO BAY, Cuba -- As part of a major Pentagon public relations offensive, dozens of lawmakers are being flown to the maximum-security units here for VIP tours conducted by generals who portray the cells as safe and even comfortable places for suspected terrorists to spend their days. The visits, organized by the military in a bid to blunt the impact of numerous reports of inhumane treatment and exotic interrogation techniques, have become such a routine part of life at this spartan, sprawling base that signs on the open doors of two maximum-security cells say "Tour Cell." One aim of the...