Shares of Taser International (TASR) retreated dramatically ever since the riots in Ferguson, MO dominated the headlines in early 2015, about one year ago.  Is the decline because of fundamental factors such as Motorola's decision to enter the body cam and evidence management business, or is it more from the passage of an unpleasant psychological milestone in race relations?  Are international cities rethinking their need for conductive electric weapons or body cameras in the wake of the European Union's 911 moment in Paris last November?