By Jim Misunasjmisunas@gbtribune.comKaren Shaner’s “Ghost Train” offers everything a painter would want — artistic expression with a twist of mystery.The Great Bend artist is a retired railroad engineer with the Missouri Pacific and Union Pacific Railroad. She’s well versed on railroads, plus she wanted to tell a story about the time Hoisington lost its Missouri Pacific train station. The city of Hoisington and the Missouri-Pacific Railroad were linked in growth and economics until the rail mergers of the 1980s.