What does a notorious gold toilet and a nearly destroyed Klimt painting have in common? They christened Sotheby’s first sale out of its new US headquarters in New York on Tuesday evening in a buzzy, record-breaking night. Early on, the headlining artwork by Gustav Klimt, “Portrait of Elisabeth Lederer,” became the most valuable work of modern art to ever sell at auction, reaching $236.4 million to gasps and applause from the room during the 20-minute bidding war. It was also the most expensive