California, New Hampshire, New York, and Wisconsin face different aspects of legalization. Teen usage doesn’t change following legalization. On the production side, the lab testing problems and the CDC identifies potential occupational risks in manufacturing.

CA and NY officials encourage marijuana purchases on Black Friday

NH Governor blocks legalization

WI Governor pardons 82 people

Teens no more likely to use after legalization

Continuing problems with testing labs

CDC confirms first cannabis related occupational death