Officials are confirming that a gunman is dead and three people received minor injuries after a shooting at a movie theater in Antioch, Tennessee.  Police say the suspect had a gun and a hatchet when he entered the theater in the Nashville suburb.  The gunman reportedly opened fire on a police officer and was later engaged by SWAT officers.  The Nashville Fire department says three people are being treated for pepper spray exposure and one person was bruised from a possible hatchet attack.