President Donald Trump designated Saudi Arabia a major non-NATO ally on Tuesday, opening opportunities for more defense trade and security cooperation between the United States and its key partner in the Middle East. Trump made the announcement at a dinner for visiting Saudi Crown Prince Mohammed bin Salman, after they held talks that included the signing of a strategic defense agreement “Tonight, I'm pleased to announce that we're taking our military cooperation to even greater heights by formally designating Saudi Arabia as a major non-NATO ally," Trump said in a speech at the gathering. Saudi Arabia becomes the 20th major...