It’s a rad day for a skateboarding session September 14, 2021 10:30 am Mercer Island High School alumni Sam Bahn, left, and Joddy Krebs enjoy a skateboarding session at Mercerdale Park on Sept. 13. Andy Nystrom/ staff photos Mercer Island High School alumni Sam Bahn, left, and Joddy Krebs enjoy a skateboarding session at Mercerdale Park on Sept. 13. Andy Nystrom/ staff photos