This is the first of a two-part column. The second part will be published Tuesday.Adding to the continuing controversy about constitutional limits on the right to pursue private remedies provided by Congress, Chief 7th U.S. Circuit Court of Appeals Judge Diane S. Sykes and Circuit Judge David F. Hamilton disagreed on whether Renetrice Pierre’s class action against Midland Credit Management for alleged violation of the Fair Debt Collection Practices Act should be tossed based on lack of standing under Article III of …