POT TV - VICE's Weediquette series is back with Part 2 of the "Kings of Cannabis", which follows The Strain Hunters through a Colombian voyage to look for rare marijuana plants. From VICE: You might not know who Arjan Roskam is, but you’ve probably smoked his weed. Arjan’s been breeding some of the most famous marijuana strains in the world—like White Widow, Super Silver Haze, and many others—for over 20 years.