How backwards is America?

Which of the following is different from all the others?

1. Cuba
2. Iran
3. Israel
4. Tajikistan
5. Texas

The national academies of science of Cuba, Iran, Israel, and Tajikistan have all signed a statement on the teaching of evolution while the Texas State Board of Education has made it clear that it has serious doubts about the subject.

From article Redefining the Creation/Evolution Controversy by Michael Zimmerman