Numerous high profile CEOs have commented on the outcome of the presidential election in recent days.  Reactions have ranged from being mild and/or business focused to more extreme and hyperbolic, including at least one CEO who posted a bona fide assassination threat (he has since resigned).  Mixing business and politics is always a tricky endeavor.  But in the age of social media where information is easily shared and outrage coordinated, the risks are that much greater.  In this blog post, we examine the story of GrubHub, and how an internal staff email ignited a social media firestorm.