When Beatriz Porras was studying agronomy at university in Tunja, Colombia, she thought her career would lead to growing coffee, like her parents, or flowers, the traditional agricultural staples for the country's export market. Back then, growing marijuana was illegal, and security forces targeted plantations with forced eradication campaigns aimed at stemming illicit trafficking. Five years later, the 29-year old engineer oversees the cutout process at Clever Leaves, one of Colombia's largest medical marijuana companies…