Question: Explainer thanks many Slate readers for suggesting this topic.
Slate readers were thanked for suggesting the topic.

Answer: yes

Question: The radioactive fuel is safely encased, and will not pollute the atmosphere if the spacecraft explodes.
There have been problems with fuel explosions in the past that have led to today's much safer spacecrafts.

Answer: it is not possible to tell

Question: Government figures indicate that cigarette consumption is holding steady and may be rising.
Consumption is declining.

Answer:
no