ate and co-operate closely with Vajda. ''We had a good training camp together in Marbella, he is a friend of mine, and he knows Novak better than anybody, and I would be a fool if I would not take a lot of advice from him as well.''Rivals such as Federer and Lleyton Hewitt have questioned what Becker - after such a long absence pursuing a business and slightly eccentric broadcasting career - can bring t