The discussion of how scientific discoveries can be harnessed and turned into products or services looms anew in San Diego, where local universities and researchers pull in more than $1 billion in government and private grants yearly.

Our live conversation Wednesday about innovation in San Diego centered on themes from our quest series, including the history of land grants for R&D in San Diego.

As the region eyes young, talented workers, perspectives on why such companies would set up shop here show the calculation is complicated.

North County’s light-rail commuter train is shut down indefinitely. Here’s why.