John H. Stewart has been named acting president of Purdue Pharma L.P. Mr. Stewart succeeds Michael Friedman who retired as president and chief executive officer after 22 years with the company. Mr. Stewart will focus on leading Purdue Pharma in the U.S. while continuing to serve as president of Purdue Pharma, Canada. Throughout his 33-year career with Purdue Pharma, Canada, Mr. Stewart has held positions in clinical research, business development, product development, regulatory affairs and...