In its letter to the board, Americans United makes it clear that litigation may result if religious beliefs are introduced into public school science classrooms.
The board’s decision, which is expected to be made in March, could influence science instruction across the country. Texas is the second largest purchaser of textbooks, after California. To meet Texas standards, textbook producers may include creationist concepts in books that would circulate nationally.
This is, perhaps, true. We have certainly seen this in Louisiana and Pennsylvania. Furthermore, in Pennsylvania, the adoption of that ghastly textbook Of Pandas and People, clearly revealed the creationist bent of the DI. That lingers in many people's minds.