let's say I chose from Wikibook a section on multiculturalism, then reading 2 will consist of another reading on multiculturalism which challenges the views expressed in the Wikibook's reading. And reading 3 will be a reading on multiculturalism chosen by you, an article, chapter, or essay from a newspaper, magazine; it can come from the web or a book or a journal.

you can write more, debating which argument is better. It may be that you disagree with reading 2, and decide to choose a reading 3 that makes more sense to you; then your journal should reflect your reasons why the arguments in reading 3 make more sense than the arguments in 2. Or, it may be the other way around, you actually agree with the reading I chose, 2, and although you chose a reading with a different view, 3, you may not agree with it, and so you explain why. However,  you may also choose a reading which agrees with 2, and your notes then are about these two readings say and why you agree with both. 

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what I need in this task is the following:

reading 2: A Conversation about Race

http://www.youtube.com/watch?v=iEHD5kaOhoQ

http://cnsnews.com/blog/walter-e-williams/poverty-nonsense

reading 3: chosen by the writer as explained above.