Patt Morrison asks: L.A. River scholar Matthew Gandy
Leo Shaw

Within living memory, the Los Angeles River has been pretty much a sump, a dump and a joke, its long life as a real river deep-sixed and paved over. The new master plan for reimagining the river just began its slow-mo rollout, with architect Frank Gehry as its marquee name, and with a website laying the groundwork for decisions by marshaling a lot of data.