U.S. Tariffs on Canadian Aluminum and Steel

THE MEDICAL RECORD: FIVE YEARS SINCE THE COVID-19 PANDEMIC STARTED    Libby Znaimer is joined by Dr. Malcolm Moore, Medical Oncologist, Princess Margaret Cancer Centre and former head of BC Cancer, Dr. Fahad Razak, General Internist at St. Michael's Hospital and Canada Research Chair in Healthcare Data and Analytics at the University of Toronto and Dr. Alisa Naiman, a family doctor practicing in Toronto.  Yesterday marked 5 years since the COVID-19 pandemic began. Our doctors share their personal stories of navigating the early days of it and working on the front lines in healthcare.   U.S. TARIFFS ON STEEL AND ALUMINUM IN EFFECT TODAY AND OTTAWA RESPONDS  Libby Znaimer is joined by Andrea Horwath, Mayor of Hamilton followed by Marty Warren, the Canadian National Director of the United Steelworkers Union which represents 225,000 members in Canada. Today: the Trump administration's 25 percent tariffs on aluminum and steel are in place and Ottawa has responded with reciprocal tariffs.  THE SCIENCE BEHIND POTHOLES Libby Znaimer is joined by Dr. Susan Tighe, Professor of Civil Engineering at McMaster University and Provost of McMaster University. She is to become President and Vice Chancellor of McMaster University on July 1st. It's that time of year: potholes are a problem on Toronto roads and they can cause some serious damage to your vehicles. But, what's the science behind them?