By Giulio Piovaccari and Elvira Pollina MILAN, Dec 13 (Reuters) - Italy's Agnelli family has no intention of selling Juventus to crypto group Tether or anyone else, the CEO of their holding company said on Saturday, rejecting Tether's shock offer for Italy's most successful soccer club. "Juventus, our history and our values ​are not for sale," said Exor CEO John Elkann, who wore a team hoodie in a rare video address posted on the Turin-based Serie A club's ‌website. Tether, headquartered in El Salvador ...