SPA-FRANCORCHAMPS, Belgium :Formula One's Spa weekend marks a new start for Red Bull and reigning world champion Max Verstappen as the team go racing for the first time without Christian Horner at the helm. The Briton's sudden sacking after a 20-year reign of rare success, including the most dominant of seasons in 2023, has had the sport buzzing for weeks with plenty of questions to be asked in Belgium. A Saturday sprint will be the first race of new boss Laurent Mekies' tenure and the change,