Early this year, Attorney General Jeff Sessions complicated that navigation by giving federal prosecutors permission to try pot cases in states that have legalized it, a reversal of Obama-era policy.

A disturbingly l arge number of high school students have or will “try” pot or just “get wasted” at least once before college. It’s anybody’s guess after that. Sure “weed” is legal ...

That spurred him to create the PWMPot which performs a similar function, but with better features than a traditional digital pot. Of course, he admits that this design has some limitations of its ...