I meant to get to this last week, but the day it came out, I was mostly drunk (my bday), and I somehow missed it: “Despite some tentative signs of recovery, the U.S. housing market remains vulnerable to further price drops—especially in areas where large numbers of mortgages are headed toward foreclosure over the next few years. The Wall Street Journal’s quarterly survey of housing-market data in 28 major metro areas shows sharp drops in the number of homes listed for sale across the countr