Webber fastest but McLaren see progress

LONDON - Mark Webber showed Red Bull's pace as Formula One's final pre-season test kicked off in Barcelona on Tuesday, but McLaren also picked up speed after teething problems last month.Redbull F1 driver Mark Webber of Australia walks by the paddock during a training session at Catalunya's racetrack in Montmelo, near Barcelona March 8, 2011. Webber, who could become the first Australian to win