pstein <[email protected]> Monday, November 25, 2013 9:21 PM Gordon Getty; Robert Trivers; Robert Frank Re: On Mon, Nov 25, 2013 at 5:05 PM, =Ian Rogers < wrote: Charlesworth and Charn=v published an age-structured theory of kin selection in 1981 (JTB 88:103)=and Taylor and Frank did it a different