The Skeptical Optimist has an excellent diagram of how money and bonds flow into and out of the US Treasury. It's suitable for classroom use.
Patri Friedman at Catallarchy illustrates the concept of “regulatory capture”, where certain interests take control of the regulatory agency that was supposed to regulate them.
David Tufte at voluntaryXchange has been watching the share prices of the parties involved in the Unocal takeover bidding war. The prices haven't followed the usual pattern (i.e. "bidder prices drops while target price rises").
Kim Snider discusses “Where to put your safe money?”, since she feels that we won't likely see any great returns in stock or bonds for the foreseeable future.
Barry Ritholtz at the Big Picture describes signs he interprets as some softening in the market.
Dan Melson explains mortgages, the providers thereof, yield spreadsheets and why we have to be careful when shopping for mortgages.
As usual, your mileage may vary. Check out the whole Carnival if you have the time.