MAKO Surgical (MAKO.DL) is the surgical-robot company that many thought might become the next Intuitive Surgical (ISRG -0.57%). However, two terrible quarters to start the year hammered shares price and investor confidence.  In this video, Motley Fool health-care analyst David Williamson tells us what the upside for MAKO might be and whether he thinks the short-sellers are right.