With a 15-year $10bn gas deal and a major bilateral water project in the works, Jordan-Israel economic cooperation is on paper at its highest level since the 1994 peace treaty. But the political risks for Jordan’s monarchy are rising. 

When US President Donald Trump recognized Jerusalem as Israel’s capital on 6 December, relations between Jordan and Israel took yet another hit after an already troubling 2017. Mr Trump’s pronouncement could also prove to be the final...