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Good morning. Because of technical problems, we look a little different today than usual — including not having pictures. We should be back to normal tomorrow.

The most powerful Arab leader: M.B.Z., not M.B.S.

Prince Mohammed bin Zayed, the de facto ruler of the United Arab Emirates, is arguably the most powerful leader in the Arab world. He controls sovereign wealth funds worth $1.3 trillion and props up reliable allies around the region, including Prince Mohammed bin Salman of Saudi Arabia.

The prince has long been considered a crucial friend to the U.S. as well, influencing Washington’s foreign policy in the region.

Now, U.S. prosecutors are investigating his ties to President Trump. The special counsel has unearthed evidence that the prince tried to help the Russians open back channels to the Trump campaign.