Roles That an Economist Plays as a Scientist and Policy Advisor

Explain the difference between positive and normative analysis.

Provide an example of a normative statement or an example of a positive statement from a recent news story. For your response, select different current news examples (normative versus positive), and contrast your example with those. What makes the examples different? How do those differences relate to the different roles that an economist plays as a scientist and policy advisor?