The government's plan to get a lot of houses off the market seems to be working.  A report released today indicated that, on a month-over-month basis, new home sales rose by an impressive 11 percent in June. You can thank lower prices, lower interest rates, and the $8,000 tax credit for that big bump, which signals that nice roofs are now over the heads of a significant number of people. Also worth thinking about: those roofs aren't over the heads of people ...