Have I got a deal for you. You can earn close to 25% on the bonds of a sovereign country that has the support of the entire euro zone. Of course, that country is Greece, again downgraded last week, this time to four notches below investment grade, and the support is not quite rock-solid now that German Chancellor Angela Merkel says she is through playing Lady Bountiful to an unreformed Greek economy, and also wants private investors to feel her taxpayers' pain. And although you will never be at risk of a default, you might be "repositioned," or "restructured" or asked to drop in for a voluntary...