Blogger Robert Scoble is stoking rumors that Apple is working with Carl Zeiss to create augmented reality optics after an encounter at CES. Scoble said he noticed that the Carl Zeiss booth was located in the AR section at CES despite not having any products to showcase. When he suggested to an employee that reason was, “Tim Cook didn’t let you,” Scoble said all of the “employees around me smiled nervously.” Other commenters…