Yesterday I sat down with Lukeprog for a few hours and we produced this ten-page interview for the Singularity Institute blog. This interview contains information about the Singularity Institute's technical research program and recent staff changes that hasn't been announced anywhere else! We hope you find it informative.
I don't think the question about sentient beings should be considered open.
eg Clippy. Clippy's values wouldn't converge with ours, or with an otherwise similar AI that preferred thumb tacks. So the general case is most certainly 'no'.