Letitia Chai’s senior thesis presentation started out normally enough. But within three minutes, Chai had stripped down to her underwear.  The Cornell University (NY) college student’s act became a viral talking point on the internet, fueling an already raging debate about what women and girls are expected to wear in the classroom. Increasingly, students are calling out their school dress codes, often arguing that they force women and girls to change their behavior to avoid distracting boys and men.