We’re going back to basics again, this time with the Runway & Doing -- Current Actions & Next Actions. A great conversation covering this Horizon of Focus and last step in the GTD® workflow.    
Official GTD® Virtual Study Group website:

124: Getting Set Up For GTD®

Want to learn more about GTD®? We're folks just like you--from all walks of life--sharing our tips, tricks, struggles and victories. Hear presentations, discussions and more about how to Get Things Done.