Stem cells, the next step

In unsettled times, perhaps it's appropriate to move cautiously on some fronts, aiming for consensus rather than contention. If that's the case, the Obama administration made a savvy move with its compromise draft rules on embryonic stem cell science: It greatly expanded the number of embryos available for federally funded research, but refused to open the door to funding research on embryos created for that purpose.

April 25, 2009