Fred wrote about tenacity this morning prompted by a post from Mark Suster about tenacity being a key trait for an entrepreneur. As per usual there is a long comment thread on Fred’s post and also quite a few comments on Mark’s. There is, however, only a limited discussion of the potential conflict between tenacity and the ability to “fail early and often” (before and after this comment). With the low cost of operating many startups these days, it should probably be called “iterate early (and...