What is something you could talk about for hours?

And the shameless stealing continues. Maybe this shoud be re-posted as a challenge.

1. Emergency Medical Services

2. U.S. Immigration

3. Dungeons & Dragons

4. Confidence games and the Swindlers who played them

5. Quackery

6. U.S. Merchant Marine

7. Firearms

8. Hunting

9. Fishing

10. Shooting the S#*T