10. Commercial airliner shot down with a missile.
9. The tides are rising.
8. Frightening weather.
7. Mysterious Russian sinkholes.
6. Russia plays chicken with our military forces.
5. United States citizens beheaded in video.
4. Ebola virus arrives in the United States.
3. Whitehouse under attack.
2. Solar disaster near-miss.
1. Russia attacks the Ukraine.