Standard & Poor’s this week threw another counterpunch against the federal government’s civil fraud lawsuit filed earlier this year, slamming the litigation as “retaliation” for the rating agency’s August 2011 downgrade of the country’s AAA credit rating. The Justice Department in February filed a $5.0 billion lawsuit accusing S&P of knowingly inflating its ratings in residential MBS and collateralized debt obligations to boost its revenue and market share in the years leading up to the 2008 financial crisis. The filing in the U.S. District Court in Santa Ana, CA, by S&P’s parent company McGraw-Hill Co. seeks...