In 2008, news broke that Santiago Calatrava had filed a big lien against Garrett Kelleher, the developer of the Calatrava-designed Chicago Spire. In October, 2009, Calatrava is returning to Chicago, though Kelleher is presumably not ready to fork over the millions that the architect said he was owed in fees. Instead, the Spanish-born Calatrava will be one of the star attractions at an Oct. 7 conference...more