The mortgage industry has notched one modest victory on Capitol Hill and continues to hope for more as lawmakers try to wrap up a spending bill for the government’s 2016 fiscal year. The victory is a new process for banks and others to petition the Consumer Financial Protection Bureau to designate an area as “rural” or underserved for the purposes of the CFPB’s ability-to-repay rule. More flexible mortgage products, such as balloon loans, are permitted in such markets. The change was included...