Exposure to toxic burn pits has emerged as a modern concern for veterans. Burn pits were a common way of eliminating waste, including toxic chemicals, in military bases in Iraq and Afghanistan. The U.S. has already passed a law to extend health-care benefits to veterans dealing with adverse health issues stemming from exposure to these pits. ‘The West Block’ host Mercedes Stephenson speaks with retired Master Cpl. Arjun Grewal about the dangers of toxic burn pit exposure, how the issue is playing out in Canada, and more.