In modeling an analytics-based solution to a business problem, to what degree do you believe it is necessary to determine, if applicable to the business problem, what happened in the past (descriptive analytics) before using predictive analytics to assess what could happen? In other words, as a leader of an analytics-based initiative, do you think it is necessary for your team to obtain hindsight before reaching for insight? Moreover, do you think that a predictive analytics initiative should have a descriptive analytics base?