Pizza, fries and a martini… all served up by a robot. ‘Bar Rescue’ host Jon Taffer checked out tech trends in the restaurant industry and shed some light on the expansion of ‘Taffer’s Tavern.’ Pizza, fries and a martini… all served up by a robot. ‘Bar Rescue’ host Jon Taffer checked out tech trends in the restaurant industry and shed some light on the expansion of ‘Taffer’s Tavern.’