Environment, homelessness, infrastructure and immigration - I'm very focused on all four, which are critical to the success of Los Angeles.

Campaigns are these moments of suspended animation where people usually learn how to be friends afterward.

I'd hate to see new housing building accelerating while taking down buildings where there's 50 people living in rent-stabilized apartments.

My main job and my overwhelming job starts with my family, my street, my neighborhood, and my city.

I believe the world has shifted from asked 'if' digital currencies will succeed to 'how and when' digital currencies will become mainstream.

Digital imaging is as much about chemistry as it is about semiconductors.

It's obviously unfair to paint with a broad brush here, but the germ of an idea for a breakthrough in technology doesn't come out of a business school curriculum. It comes out of a laboratory or a math lecture or a physics tutorial.

Fire is our first form of technology.