The US supreme court justice Neil Gorsuch made as much as $500,000 from a 2017 real estate sale, according to a new report, but did not disclose the identity of the buyer: the chief executive of a law firm with extensive business before the high court. The news represents a new headache for the chief justice, John Roberts, who Democrats want to testify over extensive media reporting about the relationship between Clarence Thomas, another conservative, and a Republican megadonor, Harlan Crow. Gorsuch was confirmed in 2017, the first of three appointments under Donald Trump which tilted the court firmly right....