Leclerc and Hamilton's differing theories behind Ferrari's Austin qualifying disappointment

Ferrari had been pegged as the team to beat after practice at the United States Grand Prix, but ultimately found itself wanting when it came to qualifying and failed to find enough progression through Q3. Charles Leclerc had headlined both Friday practice sessions, while Lewis Hamilton took the honours in FP3 after Leclerc's best lap was deleted, and it looked as though the team was primed to…