Questions for tomorrow

Source needed is attached as a pdf. 
Then, respond to the following items:

What did you learn about the application of federal power to Indian reservation territory and to the rights of American Indians from the summaries of this Supreme Court jurisprudence?
From the summaries, in what ways did you see that the Federal government treats Indian reservations like sovereign nations? Like states?
Do you think the Constitution and federal power should fully apply to Indian reservations or should federal power retreat, giving Indian nations greater autonomy (even if this means that Constitutional protections on reservations are weakened)?