Penn’s 4:20 Club has unveiled this year’s T-shirt design for 4/20, which has become something like the one day Mardi Gras of marijuana. You don’t have to be an Ivy League stoner dress like one. You can order one HERE. RELATED: Gov. Brian Schweitzer vetoed a bill on Wednesday that would have repealed the state’s voter-approved medical marijuana law. Mr. Schweitzer, a Democrat, vetoed the Republican-backed measure along with several others he called “frivolous, unconstitutional or in direct contradiction to the expressed will of the people of Montana.” MORE RELATED: Arizona’s medical-marijuana law takes effect today, but patients already have […]