Many insiders believe “marijuana” is a term with racist roots, while others aren’t so high on calling it “weed.” But 4/20 will give us time to contemplate. Planning on getting some pot to celebrate 4/20? The cannabis industry is fully down with that, but many insiders have a special request: Don’t refer to it as “marijuana.” Although that’s been the most popular name of the plant for a century, cannabis insiders, including Daniel Maida Hayden…