I've operated and launched newspapers all over the world.

As an immigrant, I chose to live in America because it is one of the freest and most vibrant nations in the world. And as an immigrant, I feel an obligation to speak up for immigration policies that will keep America the most economically robust, creative and freedom-loving nation in the world.

Advances in the technology of communications have proved an unambiguous threat to totalitarian regimes: Fax machines enable dissidents to bypass state-controlled print media; direct-dial telephone makes it difficult for a state to control interpersonal voice communication; and satellite broadcasting makes it possible for information-hungry residents of many closed societies to bypass state-controlled television channels.

I have to admit that, until recently, I was somewhat wary of the (global) warming debate. I believe it is now our responsibility to take the lead on this issue.

The Internet has been the most fundamental change during my lifetime and for hundreds of years.

My father left me with a clear sense that the media was something different.

We need to push ourselves to make as many reductions as possible in our own energy use first - and that takes time. But we must do this quickly - the climate will not wait for us.