Waking the Dead

They say a painting can have a life of its own  In the case of Ghosts in the Mind painted by Henry Sebastian Hubert, that's more than just an expression. The characters are reputed to come to lifeand to kill. The artist was a friend of Lord Byron and Mary Shelley, joining them in Switzerland in 1816, and now, almost two hundred years later, the painting appears in New Orleans. Wherever it goes, death seems to follow.   Danielle Cafferty and Michael Quinn, occasional partners in solving