Featured in the Wall Street Journal: L.A. Home Designed by John Lautner to List for $7.5 Million By Candace Taylor Known as Silvertop, the house has a striking design: It is made up of a series of interlocking half-circles, with a massive, arched concrete roof over the living room. The home, which sits on 1.26 acres on the crest of a hill, is reached by a cantilevered concrete driveway that wraps...