Bonds are boring. They are the beige minivan of the investment world. Yet, bond yields (which move inversely to prices) are hugely important. They determine lots of things: from how much companies and governments pay to borrow money -- to the rate you get on your mortgage. To help you navigate the complex world of interest rates, here are some free resources.
A "credit crisis" doesn't start everyplace at once -- it usually begins in a single country. See for yourself how financial markets in Turkey are imploding with stunning speed.