Standard&Poor's Ratings Services revised its rating outlook to positive from stable and affirmed its 'AA-' long-term rating on various issuers' debt, issued for Mayo Clinic, Minn. At the same time, Standard&Poor's affirmed its 'AA-/A-1+' rating on Rochester, Minn.'s $130 million series 2008D and 2008E health care facilities revenue bonds issued for Mayo Clinic. The bonds are currently fixed-rate-term bonds that are due in April and May of 2010, respectively. However, the series 2008D and 2008E bonds are being remarketed as long-term fixed-rate bonds and will carry a 'AA-' rating following the remarketing. The series 2008D bonds will be remarketed effective April 1, 2010, while the series 2008E bonds will be remarketed effective May 10, 2010. In