Describe the difference between line and staff functions. Which is more important, and why, in the following situations: 1) An officer-involved shooting has brought thousands of radical protesters to town. 2) You, as a progressively minded police administrator, understand the importance of preparing for a mass demonstration. 3) A neighboring community has just experienced a massive chemical spill resulting from a train derailment. 4) You have just been informed that an active shooter is killing people at a local high school