marginalrevolution.com (home of the ringleader, Alex Tabarrok; only has comments on some entries)
lkmp.blogspot.com (Larry Kudlow)
j-bradford-delong.net/movable_type (Brad DeLong)
gregmankiw.blogspot.com (Greg Mankiw)
This site is circulating an "Open Letter on Immigration":
In cooperation with the Independent Institute I am looking for as many signatures as possible from economists and other social scientists. Brad DeLong, Greg Mankiw, Vernon Smith, Tyler Cowen and many others from both the left and the right have already signed on.
It's certainly an interesting letter, but it has little relevance to the...