In 2006, Clarke and Leary appeared on television during a Red Sox telecast and, upon realizing that Red Sox 1st baseman Kevin Youkilis is Jewish, delivered a criticism of Mel Gibson's anti-semitic comments.
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On the evening of January 19, 2010, Clarke appeared on stage at the victory speech of Republican Senator elect from Massachusetts, Scott Brown, who was elected to the U.S. Senate seat formerly held by Edward Kennedy.
Arthur C. Clarke | Lenny Kravitz | Lenny Bruce | Lenny White | Lenny Henry | Cam Clarke | Ron Clarke | Warren Clarke | Kenneth Clarke | Clarke Carlisle | Shirley Clarke | Ronald J. Clarke | Richard A. Clarke | Lenny Dykstra | Harry Clarke | Gillian Clarke | Cyril Clarke | Susanna Clarke | Steve Clarke | Richard Clarke | Noel Clarke | Lenny Waronker | Lenny Kaye | John Cooper Clarke | Frederick Clarke Withers | Franklin Clarke | Charles Cowden Clarke | Oz Clarke | Mae Clarke | Lenny Welch |
Guests of the Steve Katsos show have ranged from budding local musicians such as Will Dailey & The Rivals, The Luxury and The Self-Proclaimed Rockstars, artists and comedians such as Lenny Clarke, Jimmy Tingle and Mike Koutrobis to established celebrities and personalities such as Candy O'Terry, Joe Wong, Rick Dumont, Dave Zeltserman, Governor Michael Dukakis and even sitting Governor Deval Patrick, and many others.