2013 Spring Pledge Drive Thank you for supporting KPLU during our spring pledge drive! By KNKX • Apr 6, 2013 Justin Steyer / KPLU The four-day spring pledge drive has ended. Thank you for your support! Also, a big thanks to the companies who were generous enough to donate their products during the 2013 Spring Pledge Drive. If you missed the pledge drive, you can still make your pledge today.