In the span of not quite 15 minutes, 17-year-old Missy Franklin swam in the women’s qualifying 200 meter freestyle, then hopped back in the pool to win the gold in the women’s 100 meter backstroke. Her toughest opponent, Australian Emily Seebohm, went into the race having broken the Olympic record in the preliminaries on Sunday with 58.23. She had also rested all day. Franklin trailed...