Read the "Background" below the questions before answering.
1. How were Iran's nuclear facilities attacked, according to computer expert Ralph Langer, and how effective was the attack? Be specific.

2. a) Who is believed to be responsible for attacking Iran's nuclear computers?
b) What evidence is there that Stuxnet was not done by a hacker?

3. What announcement did the UN's IAEA make regarding Iran's nuclear program last month?

4. What will Iran have to do to rid its nuclear facilities of the Stuxnet virus, according to expert Langer?

5. Iranian leaders have been calling for the destruction of Israel for years. It is widely believed that once obtained, Iran will use nuclear weapons against Israel.  Was using the Stuxnet computer virus the best way for Israel to protect itself from Iran?  Explain your answer.