Mike Heika, Stars beat writer for SportsDayDFW.com and The Dallas Morning News, answered questions about the team during a live chat recently. Here are some highlights:What is Rick Wilson going to do differently with the defense? Does he work at all with forwards to get them to help out more?Heika: Rick is very disciplined and very structured, so he will push his defensemen hard in practice and make sure they do all of the little things right.