1. What is the main idea of this commentary?
(For information on the Keystone Pipeline, go to: studentnewsdaily.com/daily-news-article/keystone-xl-effect-on-environment-seen-as-minimal)

2. The purpose of an editorial/commentary is to explain, persuade, warn, criticize, entertain, praise or answer. What do you think is the purpose of the Moore/Griffith editorial? Explain your answer.