Read the following article and answer the question

1. Discuss how Noerr-Pennington immunity makes challenging this case in the FTC difficult.

2. Discuss how despite the difficulties created by Noerr-Pennington a challenge was still possible.

3. After the FTC's second ruling in favor of UNOCAL, how has the position of both UNOCAL and the common interest litigation group changed? Who has the stronger arguments at this point?

Article:

https://houstonlawreview.org/article/4197-clean-air-never-smelled-so-bad-i-union-oil-co-of-california-v-atlantic-richfield-co-i