Here you have the beginning of the slideshow of our first topic.
You can find the link to the emotional lecture of Aaron Huey given in Denver, Colorado in 2009, about living conditions and history of Lakota Indians in Pine Ridge Reservation. Or watch it below.
Then you have brief lesson to give you a basic background of Native Americans and the USA history.
At the end of the slideshow, to complete the lesson, you should follow the links to a few documents about Indian reservations nowadays.
You can also find a list of several topics you'll be in charge of in few days. You could start to read it, and start to choose one of them...