Did you know that a headless man wanders Bloomfield Road this time of year? Or that a woman named Mary shows up in Southeast's Rose Theater occasionally? Or that a ghost named Belle plays tricks on the staff of the Port Cape Restaurant? With Halloween approaching, Cape Girardeau becomes a mecca for ghost hunters looking for a supernatural thrill - think floating orbs, unexplained footsteps and "otherworldly" screams. If you enjoy an adrenaline rush, join a Haunted Downtown Walking Tour . Whether