Mark Towhey speaks with a former MMA fighter about UFC's new combat sport venture, "slap fighting." Why has it become a topic of controversy? 

On today's show: 

• A conversation with Dan Hardy, an English former mixed martial artist, on UFC's recently-approved “Power Slap League."
• Dr. Abdel-Rahman Lawendy, chief and medical director of the ambulatory surgical centre at London Health Sciences Centre, on reimagining the operating room to reduce surgery wait times.
• Gavin Tighe, a senior partner with Gardiner Roberts LLP, on Premier Doug Ford's government challenging his summons to appear at the Emergencies Act inquiry.
• Richard Carlson, Director of Energy at Pollution Probe, on whether nuclear energy is the bright green future for Canada.
• Retired Major-General David Fraser on what "dirty bombs” are and why Russia keeps talking about them.