The Greater Des Moines Partnership has launched a new downtown retail portal on its web site. The data, statistics and information on the growth of downtown are aimed at the many people who contact the Partnership for information on living, working and playing downtown. “We are focused on ensuring developers and business owners have access to the information that will help them make the best decisions for their business and for downtown DSM,” said Tim Leach, senior vice president of downtown development. The portal shows the downtown’s momentum, he added.