It’s really not that hard to understand, but what’s blocking acceptance are the amazing lies people say about Plan B emergency contraception. Ema found a ghastly op-ed that got everything wrong; try reading my summary of Plan B, then the op-ed by Abby Wisse Schachter, and see if you can spot all the errors. You won’t be as thorough as Ema, though, who has posted a wonderfully detailed, complete annihilation of Schachter’s article.