Christian Horner is ‘worn down and worn out’ amid Red Bull’s current probe into the 50-year-old amid allegations of inappropriate behaviour. Horner strongly denies the claims from a Red Bull employee and is adamant he’s done nothing wrong, with the F1 chief still working as normal as the start of the new season rapidly approaches. Red Bull had wanted the matter to be dealt with swiftly, with an independent lawyer recently grilling Horner for eight hours. However, there’s still no end to the saga in sight and Horner continues to operate in his current role of team principal as normal. He has pu…