Preaching to the faithful

The Expelled website has the following blurb

Welcome to the Expelled Challenge web site where, as a Christian school or a Christian home school group, you will have a chance to win up to a $10,000 donation while educating your students, parents, and staff of the controversy that is surrounding the Intelligent Design and evolution debate.

Seems clear who the audience is for Expelled. My question is will Christians be foolish enough…

From the FAQ: In speaking with Christian Schools, we’ve found that hosting a school-wide “mandatory” field trip is the best way to maximize your school’s earning potential.