It's tough when you're at the top of your game, because everybody wants to shoot you down. A new lawsuit against Apple by Brandywine Communications Technologies claims that our buddies in Cupertino are infringing on two patents that vaguely describe mobile voicemail. And who is Brandywine? If your answer includes the words "patent troll," you may already be a winner. Brandywine Communications Technologies is a firm that Verizon -- in a lawsuit against the company -- called "a patent holding company that is in the business of enforcing patent rights through the filing of various lawsuits." In other words,
