...Fitch Ratings has affirmed Anheuser-Busch InBev NV/SA's (ABI) Long-Term Issuer Default Rating (IDR) and senior unsecured rating at 'BBB' and Short-Term IDR at 'F3'. The affirmation reflects Fitch's expectations that ABI's deleveraging will be slow over the next two to three years, with leverage metrics projected to remain commensurate with the weaker 'BB' rating category in the medium term. This excessive debt burden continues to be balanced by ABI's very strong operational profile, as well as its above industry average profitability and sound financial flexibility, supporting the `BBB' IDR and Stable Outlook....