Twice each year, the Koch family conducts strategy meetings with corporate and thought leaders to plan how to advance their "free market" ideology. ThinkProgress has the guest list and program for their June 2010 meeting (in Aspen), and, while immigration isn't mentioned, many of the known attendees are on the wrong side. I don't normally recommend anything at ThinkProgress, but in this case I'll suggest taking a look at their post and downloading the PDF. The New York Times has a related report here; from that: The participants in Aspen dined under the stars at the top of the gondola run on...