analyse the final presidential debate (Obama vs Romney) using “Communication Law”

As Title, please watch the final presidential debate on Oct 22nd from Obama n Romney .

analyzing the debate using the materials from the textbook..HAS TO BE RELATING TO LAW!!
ur textbook is Communication Law in America by Paul Siegel third edition

the whole paper has to analyse through those aspect below:
1) American Legal System
2) Freedom of Speech
3) Defamation: Common Law element
4) Defamation: First Amendment Limitation
5) Invasions of Privacy
6) Copyright and Trademark

around 2.5 pages.