The mid-20s through the mid-30s can be a time of difficult transition: the security blanket of college and parents is gone, and it's suddenly time to make far-reaching decisions about career, investments, even adult identity. When author Christine Hassler experienced such a quarter-life crisis, she found that she was not alone. In fact, an entire generation of young women is questioning their choices, unsure if what they've been striving for is what...