Then a neighbor, Mr Smith, had a dairy cow and an couple bulls. He showed me how to bluff a bull.

Bulls do not win bull fights. People do.

I had travelled pretty widely around the world even before then, so I knew where to go to film wildlife.

I had a great first year and Mr. MacDonald was my biggest supporter. He gave me the encouragement I needed that first year to get my career started on a positive note.

The biggest challenge is how to affect public attitudes and make people care.

How we treat the earth basically effects our social welfare and our national security.