As reports emerge of a possible US-Iran agreement, Al Jazeera’s Mike Hanna says that President Donald Trump is looking for an 'off-ramp' from a war that has driven up economic cost

As reports emerge of a possible US-Iran agreement, Al Jazeera’s Mike Hanna says that President Donald Trump is looking for an 'off-ramp' from a war that has driven up economic costs and faces growing domestic opposition. The White House has yet to reveal details of any deal.