MONZA, Italy (Reuters) - Sebastian Vettel can tighten the screw on Formula One leader Lewis Hamilton at Ferrari's home Italian Grand Prix this weekend and write a new entry in the record books.If he can deliver Ferrari's first Monza victory since 2010, Vettel will also equal British great Stirling Moss's unique achievement of winning at the 'Pista Magica' with three different F1 teams in the 1950s.Vettel, 17 points behind Hamilton after a commanding win in Belgium last Sunday, has previously..