These included developing additional domestic sources (such as those on Alaska's North Slope), resuming extraction at sites that had been shut down because of cost inefficiency, capping the price that domestic producers could charge for oil, and beginning to import oil from a greater diversity of nations.

Instead of protecting speech and encouraging diversity and innovative thinking, the tenure system often stifles(壓制)them: younger professors must win the approval of established colleagues for tenure, encouraging like-mindedness and sometimes inhibiting the free flow of ideas.

But, increasingly, this apparent diversity is becoming a mask for a new type of conformity.