Tim Mullaney, USA TODAY
6:54p.m. EDT April 7, 2013
"After Washington and Colorado, the pot business is, if not mainstream, at least ready to push toward it. Advocates hope to legalize personal use in another 14 states by 2017, mostly among the 16 states besides Washington and Colorado where medical pot is legal (it's also legal in Washington, D.C.). Industry estimates say today's $1.5 billion legal market could quadruple by 2018."