Questions needed answers!

1.  James Madison wrote: "In framing a government which is to be administered by men over men, the chief difficulty lies in this: you must first enable the government to control the governed; and in the next place oblige it to control itself." What did Madison mean by this and why is this? How did the Founders address this problem in the Constitution? 

2.   The Constitution has been called both an enduring document and an ambiguous one. Identify features in the Constitution that support this statement. In addition, discuss the future of the Constitution as a governing document given the growth of ethnic and racial diversity in the U.S Click here to view a video on submitting an assignment.