John Manley appears live on BNN Bloomberg to discuss why a prisoner exchange is needed with China—Huawei's Meng Wanzhou for the two unjustly imprisoned Canadians Michael Spavor and Michael Kovrig. John says that if Canada is going to do anything to liberate Mr. Spavor and Mr. Kovrig, who have done nothing wrong, the key lies in an exchange of them for Ms. Meng.