Being rational key to unlock final deal

Given the complex nature of the economic and trade differences between China and the United States, no one should underestimate how difficult the challenge is to find compromises that satisfy their respective interests. Despite the optimism expressed by both sides that a deal can be reached, there is still some uncertainty about what that might actually entail.

This has created a situation in which relations between the two countries seem to be in a state of limbo similar to that of Schrodinger's unfortunate cat as it waits for someone to look in the box.

If the US president had sneaked a peak before the weekend, he didn't reveal it by tweeting - perhaps, perhaps not, was all he said on Friday when assessing the likelihood of a deal.