What does the US president need to know? Our new “memo to the president” series has the answer with briefings on the world’s most pressing issues from our experts, drawing on their experience advising the highest levels of government.

Commander of U.S. Air Force Central Command, Lt. Gen Alex Grynkewich, said on Monday that Russia’s presence in Syria has become “more aggressive” both in the air and on the ground. “The Russian presence in Syria has become, I would argue, more aggressive since the Ukrainian invasion,” Grynkewich said. This …

While Russia announced its readiness to “create the atmosphere” for a meeting between the foreign ministers of the two countries, Western diplomatic sources in Ankara said that the security negotiations currently underway between Syrian and Turkish intelligence on the issue of rapprochement between Damascus and Ankara may end soon. The …