The silliest new gimmick of the year so far is the grow-your-own edamame kit. Given the fact that you can go through a big bag of frozen in one sitting, why would you want to engage in “urban farming for dummies,” as TONY ludicrously dubbed it, with one legume bonsai? You’d be better off with a chia pet to snip for salads. A shiitake log I could almost see (although portobellos would be a bigger payoff). But this only makes sense if it comes with a fat federal subsidy for raising soybeans.