More than 1,800 comment letters were apparently not enough. The Consumer Financial Protection Bureau reopened the comment period last week on the pending ability-to-repay rule, with an emphasis on data relating to debt-to-income ratios. The rule will define “qualified mortgages” and the Dodd-Frank Act mandates that it be finalized by January 21, 2013. Data on agency mortgages helped prompt the request for comments, and the CFPB said it is hoping for similar data on mortgages in non-agency mortgage-backed securities ...