The Consumer Financial Protection Bureau was critical this week of aspects of the student loan securitization process as well as servicer performance as it issued its latest annual report on private student-loan borrowing. The report analyzed more than 5,300 private student loan complaints between Oct. 1, 2013, and Sept. 30, 2014, an increase of 38 percent over the previous year. “Lending practices in the private student-loan market in the years preceding the financial crisis shared...