When you're President of the United States, there's just some things you can't say out loud. (Unless you plan on doing a Jimmy Carter..)
But you can encourage your friends to:
And what does Bush think of Simmons now? “He tells me to keep speaking out loudly and honestly about our energy situation,” Simmons replies.
From the article "Out to shock the world over Saudi reserves" about Matthew Simmons and his questions about Saudi Arabia's real reserves.