https://www.vox.com/23166516/scandal-john-allen-brookings-th...
The court filing alleges that Allen had been tapped by two unregistered representatives of Qatar — a business executive named Imaad Zuberi and a former US ambassador to the UAE, Richard Olson — to advocate on Qatar’s behalf. (That Olson used the email address rickscafedxb@yahoo.com, a reference to the seedy Rick’s Cafe in the film Casablanca and the airport code for Dubai, might have been a tip-off that no one should be shocked that something was awry.)