Standard & Poor's, a global credit rating agency, recently downgraded 91ÒùĸÊÓÆµ's rating from AAA to AA+. Bob Ascah, Fellow of The Institute for Public Economics at the 91ÒùĸÊÓÆµ, worked in the 91ÒùĸÊÓÆµ Treasury Department in the late 1980s and early 1990s, and had frequent contact with rating agency personnel. Dr. Ascah explores the implications of the downgrade for 91ÒùĸÊÓÆµ in an interview, and in a column for the .