A Los Alamos man found out the hard way that getting drunk and firing a gun is never OK.    Joshua I. Martinez was charged with negligent use of a deadly weapon (under the influence of an intoxicant or narcotic), after Española Police Department Sgt. Michelle Ortega responded to a call on Jan. 28, in Lower San Pedro, regarding several shots fired.    When she arrived, she came in contact with Sean Diaz, standing against the wall of the church. She noticed another man, later identified as Martinez, lying on the ground near Diaz.    Before Ortega could exit her vehicle, Martinez got up and began staggering toward her patrol unit. She jumped out of the car and asked dispatch to send additional units.