Once ITunes store is open, go to podcasts from the left-hand side-bar, selec the podcast that interests you, when you get to the podcast it is similar to downloading music, you can choose to add...
After you download the Zune software, hit Marketplace, then podcasts, and select the podcast you want. You can now either click subscribe of download an individual podcast episode from the...
Because Apple has not fixed the bug. They probably won't. There are problems with the hierarchy. Apple knows about the problems. It just isn't fiscally prudent to spend resources on fixing those...