The President has launched a very agressive campaign of self-defense, with the goal of getting Americans to buy into his vision of America on the world stage.
Gwen IfillAbout author
- Author's profession: Journalist
- Nationality: american
- Born: September 29, 1955
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One of the reasons for its success is that science has a built-in, error-correcting machinery at its very heart. Some may consider this an overbroad characterization, but to me every time we exercise self-criticism, every time we test our ideas against the outside world, we are doing science. When we are self-indulgent and uncritical, when we confuse hopes and facts, we slide into pseudoscience and superstition.
Carl Sagan