The campaign in support of Question 2 has recently stepped up its advertising efforts in support of the measure. The campaign has launched a series of online video ads, as well as a a "Schools vs. Cartels" billboard that recently received some attention in the media. The latest video ads focus on the benefits of taxing marijuana sales, which would generate significant new revenue for schools. Previous ads have highlighted support from local and state officials, capitalized on recent political events, and…