In a 70-28 vote today, the Tennessee House of Representatives passed HB 368, a bill that encourages science teachers to explore controversial topics without fear of reprisal. Critics say the measure will enable K-12 teachers to present intelligent design and creationism as acceptable alternatives to evolution in the classroom. The bill's text, if passed into state law, would protect teachers from discipline if they "help students understand, analyze, critique, and review in an objective manner the scientific strengths and scientific weaknesses of existing scientific theories covered in the course being taught," namely, "biological evolution, the chemical origins of life, global...