Krista Catwood wanted a fun way to exercise, so she started a mall-walking group whose unofficial costume was 1980s garb. The festive, all-ages event has exploded in popularity over the past year.https://www.kuow.org/stories/this-flashy-group-of-portland-mall-walkers-puts-neon-pep-into-their-step#KUOW #News #ArtsAndLife #National #Health