Varieties of marijuana are shown in a display case at Cannabis City, Tuesday, July 7, 2015, in Seattle. The store was the first shop in Seattle to sell legal recreational marijuana on July 8, 2014, ... more 
Varieties of marijuana are shown in a display case at Cannabis City, Tuesday, July 7, 2015, in Seattle. The store was the first shop in Seattle to sell legal recreational marijuana on July 8, 2014, the day such sales became legal in Washington state. Despite some industry gripes and a few tweaks to Washington's legal pot law, officials and legalization backers say the state's slow and deliberate effort to regulate marijuana has been a success. (AP Photo/Ted S. Warren) less 
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Associated Press | Photo By Ted S. Warren
Tue, Jul 7, 2015 10:21 PM EDT