Briefly discuss the importance of the project charter

Essay Question:  Briefly discuss the importance of the project charter, and compare the roles played by the project sponsor and the project manager with respect to the preparation of this document. 

The assignment is to answer the question provided above in essay form. This is to be in narrative form. Bullet points should not to be used. The paper should be at least 2 pages in length, Times New Roman 12-pt font, double-spaced, 1 inch margins and utilizing at least one outside scholarly or professional source related to project management. This does not mean blogs or websites. This source should be a published article in a scholarly journal (Journal of Project Management) or a professional journal (such as PMI's Project Management Journal). This source should provide substance and not just be mentioned briefly to fulfill this criteria. The textbook should also be utilized. Do not use quotes. Do not insert excess line spacing. APA formatting and citation should be used.