Jami Nix Rahn dropped out of art school in the 1970s, built a career as a gallery artist in Europe, worked alongside some of the United States’ most renowned artists and eventually returned to school to finish the degree she had started 25 years earlier. Now, five decades after she first left art school, Rahn’s varied artistic journey will be on display at two upcoming Eagle County exhibitions. For many artists, the journey to abstract expressio…