Impresario Scott Siegel most often hits 'em out of the park, but this time the Universe pitched him a curve ball. The Omicron variant of the covid virus caused some of Siegel's planned guest to drop out of the evening, but in true show-biz fashion, the show went on most gloriously, despite the casting setback. Produced, written, directed and hosted by Siegel, the 10th Anniversary of Feinstein's/54 Below starred Tony …