After watching its Morning Joe get beat by CNN seven consecutive months in the news demo and four in overall audience, MSNBC made its move this morning, naming veteran sports producer Michael Weisman to the newly created position of Executive in Charge. He will oversee show production. Alex Korson, who was named EP of the show in 2011, will continue to serve as executive producer but now will report to Weisman. Best know for his work in sports, Weisman has worked on a…