This paper forms part of an [extended debate] which Andrew Kliman and I conducted with Simon Mohun and Roberto Veneziani. See also our 2006 [Reply to Mohun] and 2008 [summing up]. It responds to a paper of Veneziani’s in Metroeconomica hailed by Ian Steedman as having ‘put TSSI in its place’. It should be cited as ‘The Truthiness of Veneziani’s Critique of Marx and the TSSI’. Marxism 21, Vol. 6., No. 2. Summer 2009. It is Reprinted in Is Marx’s Theory of Profit Right?: The Simultaneist–Temporalist Debate. Lanham, MD: Rowman and Littlefield.