It's never fun, but sometimes companies force you to conclude that your prior assumptions were just wrong (or you can take the time-tested bagholder approach of "I'm not wrong, I'm early!"). In the case of Smiths Group (SMGZY) (SMIN.L), I thought earlier this year that management was on the cusp of delivering the sort of results and portfolio transformations that would show a true break from its not-so-charming past trend of weak growth and questionable capital allocation/portfolio management. Since then, I just haven't seen the sort of follow-through I need to see to