For years, major cities, especially in California, have held their ground in what some consider an unwelcome onslaught by Walmart stores and their like. In the City of San Diego, however, Walmart has been making one of its most significant plays yet in attempting to establish itself in urban California. Its recent announcement of its intention to build up to a dozen stores comes amid a political battle that has raged for a half-decade.

 In the ongoing quest to reclaim open space in the City of Los Angeles, no feature has been worried over more than the Los Angeles River and adjacent parcels. It is, by some accounts, one of the world's most un-natural waterways. The city's Los Angeles River Master Plan has long called for greening and the removal of concrete banks, but debate has raged over whether it even qualifies as a true river.