INTERNATIONAL FALLS, MN (KDAL) - 51 year old Carl Muggli of Ray, Minnesota has pleaded guilty to second degree murder in the death of his wife.  The plea avoided a first degree murder trial that was to have started next week.  Muggli initially told authorities that the death of his wife Linda was an accident when the 700 pound log they were carving for a totem pole fell on her.  Sentencing is set for next month,