(Kelso, WA)  --   A 73-year-old man will spend the rest of his life behind bars for killing his wife.  Cleon Moen of Longview received a sentence of life without parole for strangling his 58-year-old wife, Michelle, in September 2015.  The sentence was handed down in Cowlitz County Superior Court Friday, following a hearing.  Authorities say the victim died of strangulation and was found with ax wounds to her head.