<p>Thousands of Canadians are in line for a joint replacement surgery. Tracey Knowlton is one of them, waiting over 84 weeks for a knee replacement. Orthopedic surgeon Dr. Stephen Kwan says long waits are an ongoing, system-wide problem. Health-care policy experts like Tom McIntosh say we know how to make it better and faster for patients, but provincial health leaders need to step up.</p>
