Things are changing in Nevada, where a new law restricts employer drug tests.
A couple hundred business owners push for the federal legalization of marijuana so their companies can grow.
A number of companies are trying to develop tests that can be used by law enforcement to determine if drivers are impaired.
Leaders in McKeesport, Pennsylvania are hoping the medical marijuana industry can revitalize the city.
Regulators have until the end of the year figure out a definition of medical marijuana, who can produce it and who can buy it.
City officials see weed as the answer to the community's financial woes.
And, land a cannabis-related stock on the New York Stock Exchange.