Summer Kriegshauser is one of 150 students in the inaugural class of the University of Maryland, Baltimore’s Master of Science in Medical Cannabis Science and Therapeutics, the first graduate program of its type in the country. This will be Kriegshauser’s second master’s degree and she hopes it will offer her a chance to change careers. “I didn’t want to quit my really great job and work at a dispensary making $12 to $14 an hour,”…