The buzz of the American wonkosphere appears to be the relationship between Progressives and eugenics, and what (if anything) that means about the reproductive rights debate today. (I'm not going to collect all the links: here's a Ross Douthat post.)
Nothing substantive to add right now. I would be remiss, though, if I didn't point out that Saskatchewan CCF/NDP Premier and introduer-of-Medicare Woodrow Lloyd never wrote a Master's Thesis advocating sterilizing the unfit. Unlike some people.