(Genaro Molina / Los Angeles Times)
In towering concrete cathedral at the edge of a freeway, several generations of Los Angeles civic leaders mourned former Mayor Richard J. Riordan at a Friday afternoon Mass.Riordan died April 19 at the age of 92.A profusion of white Phalaenopsis orchids decorated the sanctuary and a kilted Los Angeles Police Department piper played as Riordan's widow, children and grandchildren filed into the Cathedral of Our Lady of the Angels.