Arsène Wenger calls on Cesc Fábregas to lead Arsenal to league title

• Wenger wants midfielder to stay and 'grow in authority'• Winning league is bigger challenge than any Barça can offerArsène Wenger has challenged Cesc Fábregas to demonstrate his commitment to Arsenal by leading the club to the Premier League title, a feat that, according to the manager, would exceed anything the player could achieve at Barcelona.Barcelona have been campaigning incessantly over the last year to bring Fábregas back to the club where he was reared before emigrating to London in 2003 and have expressed their frustration at Wenger's refusal to even enter negotiations. Several of the Catalan club's officials and players h...