As Nancy Pelosi goes, so might a generation of her colleagues. If Democrats lose control of the House of Representatives next week, there is a good chance that the House Speaker will opt to spend time with her eight grandchildren rather than toil in the relative obscurity of the minority. Even if she wanted to stay on, it's not clear that she would win the position of minority leader: seven Democratic incumbents and several candidates oppose her leadership — and another 20 have refused to say one way or another. Pelosi is more likely to leave gracefully, trading the red-eye...