Or that he effectively auctioned off the first destination on his first major foreign trip, heading to Saudi Arabia because the kingdom was ready to make big investments in U.S. companies.It’s not even that the Trump family has fast-growing business ties in the Middle East that run deep and offer the potential of vast profits.

U.S. President Donald Trump signed a strategic economic agreement with Saudi Arabia on Tuesday as the oil power rolled out the red carpet for him at the start of a tour of Gulf states aimed at drummin...

The White House on Tuesday said that President Trump, while in Saudi Arabia, had secured $600 billion in deals with the Saudi government and firms.