Quiz yourself: Jeopardy’s hardest first-tier questions
Vermont has the highest rate of illicit drug use in the country, with 15 percent of residents saying they've used within the past month, according to 2010-2011 surveys from the Substance Abuse and Mental Health Services Administration. Using those figures, here are the 20 highest states in America:
Marijuana is now legal in Colorado. Find out which state has the highest rate of illicit drug use in the country.
Capacity strains airport built in 1970