What are some reasons for defining the importance of a problem, and what difficulties may arise in a policy project if the importance of that problem is not established?

Why is evaluating the practicality of recommenced courses of action to address the public policy problem a main factor in the policy analysis process, and what types of problems might arise in the process if that step is not done correctly?

Please answer these two questions in minimum of 175 words in APA format, and at least 1 reference.