Edward Lazear, a professor at Stanford University's Graduate School of Business and former economic adviser to President George W. Bush, talks about his proposal that U.S. citizenship be sold for $50,000.
http://www.bloomberg.com/video/stanford-s-lazear-says-u-s-should-sell-citizenship-6fXBhLD~R5SuhQYWiUxLrw.htmland
Free Coursera Course Citizenship and U.S. Immigration course started 11th February 2014 - can still sign up
What does it mean for an immigrant to become a U.S. citizen? Through a background of historical and policy perspectives, this course will examine U.S. law governing how citizenship is acquired, the constitutional and international law foundations underlying immigration regulation, the role of the federal government in regulating immigration, and immigration law reform.
https://www.coursera.org/course/immigrationThought some of you might find this interesting!