Consider a topic or issue in your life where you would like to see change. Think about how you might lead a group to that future. Based upon the article we read for discussion, write the vision speech you would deliver to engage your group. This will likely take 3 - 5 pages. Help the likely audience understand the problem and how engagement brings a brighter future. Don't overlook the logical and emotional components of such a speech. Remember there is some sort of call to action.
Sometimes such a wide open assignment as "think of something" can almost be harder then when someone gives a direct topic. The exercise is more about the assignment creation than about the one cause you have. So, if you have a favorite cause or issue, use that. Don't make it too big or too hard. It could be something like: a new crosswalk near the elementary school, a plea to vote for or against a new student fee, ...