The people of Liechtenstein went to the polls yesterday to decide whether their ruling prince should become Europe's last absolute monarch, after a bitter campaign that shattered the Alpine calm with threats, insults and a dead cat. The referendum is the climax of a 10-year row between Prince Hans-Adam II, a billionaire entrepreneur who owns the largest bank in the tiny state, and his political foes. Mud-slinging and intimidation has divided families and friends. Many fear the peace and tranquility of their affluent, 62-square-mile tax haven squeezed between Switzerland and Austria has been shattered for ever. The 58-year-old prince, a...