My day got away from me yesterday afternoon, so all this shiznit piled up:
Finally, it turns out the principal difference between the 12-year-saga to replace the Ravenswood train station and the 15-year-saga to build the Peterson/Ridge station was that the Ravenswood station actually started construction 13 years ago. Streetsblog explains in detail why Chicago can't have nice transit things, and why I may never get to ride on a fully-electrified express train from Evanston to the Loop.