It's being hailed as "an extraordinary scientific discovery" and likely "the most important development in stem cell science since the first derivation of human embryonic stem cells in 1998."
More info and response here.
Wesley Smith: ". . . we now have the very real potential of developing thriving and robust stem-cell medicine and scientific research sectors that will bridge, rather than exacerbate, our moral differences over the importance and meaning of human life."
Update: Yuval Levin: "A huge flurry of coverage has begun of course, but (as usual on science stories) the most thorough and useful overviews are in the New York Times and the Washington Post. If you want to understand the basics, those two links are what you ought to read this morning."
J. Bottum at First Things.