&lt;img src=&quot;http://sfreporter.com/santafe/imgs/media.images/3178/robert-jones-wheelchair-AS.t2.jpg&quot; /&gt;Medical marijuana advocates question state&amp;rsquo;s motives With Republican gubernatorial candidate Susana Martinez leading in polls, and a revised set of rules on the table, New Mexico&amp;rsquo;s medical cannabis program participants have a new worry: whether the three-year-old program will even survive.