Rising home values and mortgage interest rates drove down nationwide housing affordability in the second quarter, while a projected slowdown in labor force growth suggests weaker future housing activity, various industry analyses indicate. In its latest home price analysis, CoreLogic reported an 11.9 percent year-over-year increase in June 2013 for home prices nationwide, including distressed loans. This represents the 16th consecutive monthly increase in home prices [Includes one data chart] ...