If political tactics, for example, were being discussed, Johnson would be the center of the discussion; if the discussion concerned political issues—philosophy, principles, ideas, ideals—Johnson would not even be part of it. Realizing, as he entered a room in which a bull session was being held, that its topic was a serious issue, he would try to duck back out of the room before he was seen. If he was already participating in a bull session and it turned to such an issue, he would quietly slip out of the room, or, if he remained, would refuse, even if drawn into the discussion, to allow
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