Recreational marijuana laws (RMLs), which legalize the possession of small quantities of marijuana for recreational use, have been adopted by 18 states and the District of Columbia. Opponents argue that RML-induced increases in marijuana consumption will serve as a "gateway" to harder drug use...

E-Verify laws, which have been adopted by 23 states, require employers to verify whether new employees are eligible to legally work prior to employment. In the main, these laws are designed to reduce employment opportunities for unauthorized immigrants, reduce incentives for their immigration,...