...S&P Global Ratings assigned its 'A' long-term rating and negative outlook to Louisiana Local Government Environmental Facilities Community Development Authority, La.'s revenue refunding bonds (Shreveport Convention Center Hotel Project) series 2008, issued on behalf of the City of Shreveport. At the same time, S&P Global Ratings affirmed its 'A' rating, with a negative outlook, on the city's general obligation (GO) outstanding and lawfully available funds debt. The GO debt is secured by an unlimited ad valorem tax on all taxable property within the city. S&P Global Ratings rates the lawfully available funds pledge at the same level as its view of Shreveport's general creditworthiness as reflected in the rating on the GO debt. S&P Global Ratings is rating the series 2008 debt based on the lawfully available funds pledge. Although convention center hotel revenues are additionally pledged to the debt, S&P Global Ratings is not rating that revenue stream. The city's GO debt was downgraded to...