Cheyllyn Ranae Collinsworth, an 18-year-old Washington state resident, died in May following a car crash. The person responsible was driving under the influence of marijuana and has been charged with vehicular manslaughter. In states where marijuana is legal, car collisions are up 3%, according to the Highway Loss Data Institute. Although marijuana impairs driving ability, police knew the driver in Washington had been using the drug only because he confessed. Read the rest at Wall Street Journal.