Royalties and California Stem Cell Research: $1.1 Billion Promise Still to be Fulfilled

California’s 11-year-old stem cell research effort was born with the extravagant promise that it would generate something like  $1.1 billion in royalties that would flow into the Golden State’s coffers.

None of that bonanza has yet surfaced, but there is no doubt that scientific research generally has the potential to generate economic value for state e…