For a second month in a row, foreclosure postings in the Dallas-Fort Worth area have dipped compared with a year ago. Foreclosure filings for October are down 2 percent from a year ago. That follows a 9 percent drop for September. But with all the turmoil in mortgage markets, don't count on the foreclosure situation to turn the corner soon, George Roddy, president of Addison-based Foreclosure Listing Service, warned Thursday. Story