I put this point to Mr. Chamberlain, and, with his ready agreement, I took the leadership myself, and held it till February, 1942. During this time Mr. Attlee acted as my deputy and did the daily work. His long experience in Opposition was of great value. I came down only on the most serious occasions. These were, however, recurrent. Many Conservatives felt that their party leader had been slighted. Everyone admired his personal conduct. On his first entry into the House in his new capacity (May 13) the whole of his party — the large majority of the House — rose and received him in a vehement demonstration of sympathy and regard. In the early weeks it was from the Labour benches that I was mainly greeted. But Mr. Chamberlain’s loyalty and support was steadfast, and I was sure of myself.

There was considerable pressure by elements of the Labour Party, and by some of those many able and ardent figures who had not been included in the new Government, for a purge of the “guilty men” and of Ministers who had been responsible for Munich or could be criticised for the many shortcomings in our war preparation. Among these Lord Halifax, Lord Simon, and Sir Samuel Hoare were the principal targets. But this was no time for proscriptions of able, patriotic men of long experience in high office. If the censorious people could have had their way, at least a third of the Conservative Ministers would have been forced to resign. Considering that Mr. Chamberlain was the leader of the Conservative Party, it was plain that this movement would be destructive of the national unity. Moreover, I had no need to ask myself whether all the blame lay on one side. Official responsibility rested upon the Government of the time. But moral responsibilities were more widely spread. A long, formidable list of quotations from speeches and votes recorded by Labour, and not less by Liberal, Ministers, all of which had been stultified by events, was in my mind and available in detail. No one had more right than I to pass a sponge across the past. I therefore resisted these disruptive tendencies. “If the present,” I said a few weeks later, “tries to sit in judgment on the past, it will lose the future.” This argument and the awful weight of the hour quelled the would-be heresy-hunters.

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Early on the morning of May 11 I sent a message to Mr. Chamberlain: “No one changes houses for a month.” This avoided petty inconveniences during the crisis of the battle. I continued to live at Admiralty House and made its map room and the fine rooms downstairs my temporary headquarters. I reported to him my talk with Mr. Attlee and the progress made in forming the new Administration. “I hope to have the War Cabinet and the Fighting Services complete tonight for the King.