A Decent Look at the May War Cabinet Crisis?

In May of 1940, as France was beginning to fall, Halifax held a meeting where he and the rest of the war cabinet discussed whether or not to make terms with Hitler.

I've seen some sources which portray it as Churchill saving Europe by holding firm, with the vote being 3-2 against seeking terms. But this sounds a bit like Churchillian hagiography, so I am looking for a source on it.
 
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