Science vs. Nonscience: Teaching Creation and Evolution is not the Compromise Position, it's the Fundamentalist One
The argument that we should teach both creationism and evolution in public schools has been the fundamentalist argument since 1968, when the Supreme Court ruled that states can't ban the teaching of evolution. If you can't ban evolution, maybe you can neutralize it with a dose of Biblical literalism in biology class.
But that strategy was also ruled an unconstitutional infringement of the Establishment Clause by the Supreme Court in 1987.
Palin apparently disagrees with this decision (although it's doubtful that she knows of it):
COURIC: Should creationism be allowed to be taught anywhere in…