A former top Justice Department official reveals how the US government could crack down on the explo

Legal marijuana is one of the fastest-growing industries in the US, except the federal government considers it an illegal drug. According to James Cole, a former top Justice Department official, it's in the federal government's power to crack down on legal marijuana businesses — but it's not likely. Cole outlined three ways the Justice Department could rein in the marijuana industry in an interview with Business Insider.  Legal marijuana is one of the fastest-growing industries in the...