In 1912, a group of ambitious young men, including future Supreme Court justice Felix Frankfurter and future journalistic giant Walter Lippmann, became disillusioned by the sluggish progress of change in the Taft Administration. The individuals started to band together informally, joined initially by their enthusiasm for Theodore Roosevelt's Bull Moose campaign. They self-mockingly called the 19th Street row house in which they congregated the "House...