Unfortunately that's no excuse. This is just a bad idea for a federal Department of Education and it's a pretty dumb move politically. Christian conservatives can accept (I hope) that once the government starts teaching one religious idea, it pretty much has to give equal time to every other viewpoint. Unless you're in a parochial school stick to that which can be proven by scientific method and tell the little whelps to meditate if they want any answers beyond that.
Hat tip John Hawkins.