>So if we are going to either support or attack Trotsky, the
>first step is to fill in that word "instinct" with some description
>that makes minimal sense in the context.
Well, all good Freudians use the word "drive," a translation of the German "trieb." It signifies an urge of biological origin but one that is extremely plastic in its expression and object. Humans almost universally feel lust, but they can direct it at a man, a woman, a boot...
Doug