and that is what forced students like zach koplan to speak out. >> christians have claimed that it promotesl thinking. you don't need a law to teach critical thinking in science class. critical thinking is fundamental to the scientific amal method. >> john: joining me now is that very young man, zach koplan at rice university who is leading the fight to repeal the louisiana science education act thank you for coming on the program and for your service to science, and christianity. >> thank you. >> john: what made you speak out on this. >> the louisiana science education act passed in 2008, it was something that had been on my radar since then and symbolized everything that could be embarrassing about my state. i mean, you probably know there are jokes made about louisiana how we're back watered. at that age i hadn't learned to love the good things and fight against the bad. it symbolized everything wrong. i was in high school, and i didn't realize i could fight it at that time. but by my senior year i figured out that no one was standing up and someone needed to and that was me. >> john: ch