LOCAL Effe Parks would listen to podcasts with other parents who had children with disabilities. When those stopped, she created her own: "Once Upon A Gene." MERCER ISLAND, Wash. — As of 2019, Seattle & Portland both ranked in the top 5 of the most podcast listeners in the country. You can find a podcast about pretty much anything, and one Mercer Island mom turned to these podcasts when she found out her child had a rare disability. “I have a three and a half-year-old son named Ford.