Our three authors are all, in very different ways, possibilists. They assume that socialism in some extremely general sense is desirable; but then frame their “what is to be done” entirely by what looks practical in the very short term. But the result in all three cases is practical unrealism: none of these prescriptions are likely to produce anything other than “more of the same” – meaning a labour movement dominated by the right and a left splintered into little pieces, each of which pursues its own “possible” tactics.