Any deal reached between the US and Iran will likely require President Trump to make a major concession: allowing the current Iranian regime to remain in power.

<img alt="People in white suits are lined up and disinfecting the house of a person who died of Ebola." height="349" src="https://i.cbc.ca/ais/19a228dc-77c2-4d35-929b-5cf8baf35bc8,1779825888495/full/max/0/default.jpg?im=Crop%2Crect%3D%280%2C287%2C5500%2C3093%29%3BResize%3D%28620%29" title="Red Cross workers wearing personal protective equipment (PPE) disinfect the house of an unidentified man who died of Ebola before retrieving his body, as aid agencies intensify efforts to contain a new Ebola o...