Conversation so far:
What was Dana Rohrabacher's position on Global Warming?
Dana Rohrabacher doubts that global warming is caused by humans.
What does Dana Rohrabacher think global warming is caused by?
During a congressional hearing on climate change, Dana Rohrabacher mused that previous warming cycles may have been caused by carbon dioxide released into the atmosphere by dinosaur flatulence.

Question: How did people respond to his beliefs?
Self-contained rewrite: How did people respond to Dana Rohrabacher's beliefs?