By Hal Dardick and Bill Ruthhart, includes “One Wall Street bond-rating agency on Monday upgraded Chicago’s debt by two notches, crediting Mayor Rahm Emanuel’s efforts to fix severely underfunded worker pension funds. The upgrade from Kroll Bond Rating Agency indicates its analysts determined there’s a 'small risk of loss' for investors in city bonds compared to 'some risk.' The agency upgraded the city to A, from BBB+ following its annual look at Chicago government finances.”