def display_dates(self):
        """Nice HTML for the display of dates"""

        # no dates
        if not (self.start_date or self.end_date):
            return ''

        # start but no end
        if self.start_date and not self.end_date:
            return "Started %s" % self.start_date

        # both dates
        if self.start_date and self.end_date:
            if self.end_date.future:
                return "Started %s" % self.start_date
            else:
                return "%s &rarr; %s" % (self.start_date, self.end_date)