There are many helpful links in this document. In order to click on any of the links, you'll need to click on the link below this section or download the document.
These are obviously not the same kind of thing that you are writing, but they might give you some ideas.
http://mannerofspeaking.org/2011/06/20/analysis-of-a-speech-by-conan-obrien/
http://sixminutes.dlugan.com/speech-critique-elizabeth-gilbert-ted/
If you've used a database, like elm4you.org, you'll need a special kind of Works Cited entry.
Let's learn from our mistakes.