Red Bull Formula 1 team principal Christian Horner has denied meddling in a planned demo run for Jos Verstappen that has triggered the latest flashpoint between the pair.Verstappen Sr. caused a stir on Friday when he accused Horner of moving to block his planned involvement in the annual Legends Parade at the Austrian Grand Prix.The Dutchman had been set to join fellow ex-F1 drivers like Gerhard …Keep reading