The critical reaction from City Hall was in keeping with Emanuel's previous characterization of Moody's as "irresponsible." Earlier this week, Emanuel's administration released a letter from the mayor asking the top executive at Moody's to withdraw the firm's junk rating of the city's creditworthiness. In the letter, Emanuel said the firm's evaluation fails to account for progress that has been made in addressing the financial problems that he inherited upon taking office six years ago.