The DEA has already seized brightly-colored fentanyl in 18 states so far this month, a a new trend the agency says drug traffickers are capitalizing on to drive young people to the deadly drug. Fentanyl, a powerful opioid up to 50 times stronger than heroin, was responsible for 71,238 of the record 107,000 fatal drug overdoses in the United States last year, according to the CDC. The new brightly-colored fentanyl – which can come in pills, powder, and blocks that look like sidewalk chalk – is not more potent than the traditional form, but could be more attractive to young...