Ellen Goodman on stem cells

Ellen Goodman's column on the stem-cell breakthrough (a "breakthrough" if you're a mouse anyway) today in the Boston Globe hit just the right notes:Congress' bill to increase federal funding for stem-cell research (S. 5) is heading to the President, who -- if he keeps his promise, and who thinks he won't? -- veto the bill in order to protect the embryos that would otherwise be destroyed for their