The upcoming meetings between US President Donald Trump and Saudi Crown Prince Mohammed bin Salman in Washington may prove among the most significant in the history of the 80-year relationship between their countries. These will not be routine or ceremonial meetings. They will cap months of negotiations on agreements designed to expand cooperation on a raft of energy, defense, technology and economic issues.

It may be a coincidence, but history rarely writes itself without purpose. Next week’s meeting in Washington between Saudi Crown Prince and Prime Minister Mohammed bin Salman and…

When Saudi Crown Prince Mohammed bin Salman arrives in the US this week, the two countries are expected to discuss a range of topics — from artificial intelligence and civilian…