1. Collective action problems make it difficult for interest groups to form. Explain the logic of collective action problems as they pertain to interest groups. Describe the ways that interest groups overcome collective action problems. 2. Members of Congress are our legislative representatives. Discuss the concept of representation as it relates to Congress. How well does Congress represent the US population as a whole? 3. The presidency has evolved over time. Describe the sources of presidential power, making sure to provide specific examples in your description. Why has presidential power grown over time? 4. In a federal system, there are both national and state courts. Identify the structure of the California and federal court systems. Discuss the complexity of the courts within the context of the US federal system.