Los Angeles is the epicenter of Modernist houses.  There are so many in the TMZ that it would take years to see even half of them. Because of sheer numbers, LA is also the epicenter for serial Modernists – those who have owned more than one Modernist house.  And we owe that group huge thanks, because they are the people investing huge amounts, often more than they probably should, to preserve iconic houses by important Modernist architects and preventing these houses from being torn down.  Joining us from Los Angeles Susan Orlean and John Gillespie, talking about their love affair with four Modernist homes.