NEW YORK (Standard&Poor's) Aug. 5, 2015--Standard&Poor's Ratings Services has revised its outlook to positive from stable on Minnesota's general obligation (GO), appropriation-backed, and moral obligation debt. At the same time, Standard&Poor's affirmed its 'AA+' rating on Minnesota's GO debt, its 'AA' rating on the state's appropriation-backed debt, and its 'A+' rating on the state's moral obligation debt. Standard&Poor's also assigned its 'AA+' rating, with a positive outlook, to Minnesota's series 2015 A-E GO bonds. "The outlook revision reflects the state's payment of its deferred liabilities and improved structural balance alignment," said Standard&Poor's credit analyst John Sugden. Credit factors supporting the ratings include our view of the state's: Deep and diverse