For some Britons who watched Notre Dame burn so fiercely in Paris, the horror was mixed with apprehension. What happened to the French landmark this week could easily befall the Houses of Parliament in London. The seat of Britain's government is a crumbling, leaky, rodent-infested fire trap that fire wardens must patrol around the clock to avoid an inferno. Warnings about Parliament's dilapidated state have been growing louder, and experts say they can no longer be ignored.