Immigration - Read the linked articles and summarize the pros and cons to immigration reform
http://www.fairus.org/facts/immigration_now
http://www.usnews.com/news/articles/2015/10/02/50-years-ago-immigration-changed-in-America
http://www.pewresearch.org/fact-tank/2015/11/19/5-facts-about-illegal-immigration-in-the-u-s/
http://www.pewhispanic.org/2015/11/19/more-mexicans-leaving-than-coming-to-the-u-s/