The group representing truck drivers has been clear it wants the public health mandates to end. And they say their convoy will stay in Ottawa until their demands are met. Another group of Canadians has also put forward their case to have the public health measures ended. Or at least challenged. A prominent Nova Scotia lawyer says the government needs to prove the State of Emergency should be kept in place and that it's not an overreach, almost 23 months after it was enacted. And those issues were raised with Constitutional Law Expert and Professor Emeritus of the Schulich School of Law at Dalhousie, Doctor Wayne MacKay.