I've used Audacity for editing my podcasts and it's okay for that. An important feature is being able to easily cut out 'er'. 'um' and other hesitations. I've not done any interviews yet, but it is something I want to do. My show is about making music. I'm just not good at doing it regularly. I admire those who can put out weekly shows. It's a lot of work, but I just do it for fun.