MPP's video ad that began airing Friday on a jumbotron outside the NASCAR Brickyard 400 was pulled later that afternoon by the media company that owns the video screen. Grazie Media, which had solicited the ad from MPP, approved its content, and accepted payment for it, reportedly came under fire from marijuana prohibitionist organizations such as Save Our Society From Drugs, which claimed the ad's message that marijuana is safer than alcohol was false and misleading. In a statement, MPP's Mason…

NASCAR fans attending this weekend's Brickyard 400 races at the Indianapolis Motor Speedway will be greeted by an MPP video ad in support of making marijuana legal for adults. It is scheduled to air dozens of times on a jumbotron outside the entrance of the speedway, which will be "the epicenter of American stock car racing and North American sports car racing" this weekend, according to the event's website. The ad, which is already getting national media attention, is reminiscent of a beer commercial…