_Walked to Embassy and engaged Assistant Commercial Adviser in talk on blockade questions until interrupted by order that Embassy staff and mission should assume gala costume and cheer French mission on its way. Sped back, rejoicing at opportunity of wearing silk hat and morning coat so carefully carried 3,000 miles; thence, with Chairman of Wheat Commission and Financial Secretary to Treasury, motored to rendezvous, disembarked and stood ... cheering as Joffre and Viviani drove by.... How many more missions are coming, God alone knows...._ _Reception at Embassy._ _Thursday, April 26th._ _Most of the mission and part of the Embassy staff met at a 2½ hour conference at missions house, to arrange programme of work. Secretary of State in chair supported by Ambassador and senior Canadian representative. My work, already known to me, officially defined: now have only to wait for State Department to come and negotiate...._ _ ... Wrote memorandum on export trade prohibitions.... Bidden to lunch with Secretary of Navy on Sunday aboard "Mayflower" and proceed to Mount Vernon...._ _Saturday, April 28th._ _The worst feature of being the accredited representative of the War Trade Intelligence Department is that you are expected to be omniscient on war and trade and intelligent in the intervals. Received deputation ... on national registration, substitution and compulsory service.... Attended conference at Embassy.... Party at Alibi Club, a miniature Savage Club with many trophies and no rules. Speeches in American, English, German (pour rire) and Anglo-French. Half British and half French military missions there._ * * * * * _Sunday, April 29th._