Editor's note: This is the second of a multipart series. Read Part 1.Millions of mortgage borrowers who can no longer afford their mortgage payments but can afford a lower payment can avoid foreclosure by getting a modification of their loan contract. While the path to a modification remains torturous, it is not quite as bad as when I wrote addressed the issue in a 2009 column. Are you unqualified? It is not possible for borrowers acting on their own to determine whether they qualify for a modification because they don't have access to all the criteria. Some is kept under wraps by loan servicers. However, borrowers can determine that they are not qualified for a government-supported modification by accessing a questionnaire provided by the U.S. Treasury Department. Bear in mind,...