The casual restaurant segment is a crowded space, so it's important for chains to maintain top-notch service and offerings to get a leg up on their competitors. That's exactly what California Pizza Kitchens has been doing in recent months. Nation's Restaurant has posted a Q&A with company CEO G.J. Hart that discusses all the new things California Pizza Kitchens has been trying, from revamped menus to redesigned units. You can read the transcript here.