WNUR’s Lynden Ostrander previews today’s match-up between the Northwestern University Wildcats women’s lacrosse team and the University of North Carolina Tar Heels as the two teams fight to claim a spot in this year’s national championship game. Coverage of today’s contest begins at 3:30 at 89.3 FM in the Evanston/Chicago area and WNURSports.com worldwide. It’s official: Northwestern has punched their