As we know, David played some awesome tennis towards the end of last year, Tokyo title, semis at US Open and then final at Masters. He started 2008 with a surprise loss to Benneteau in Auckland where he was defending his title but then seemed to recover his form at the Aussie Open, losing to eventual champ Djokovic. Since then he's 4-4. Straight sets loses to Mischa Zverev and Thomas Johansson along the way, as well as a gruelling 3 tie-break sets loss to Hyung-Taik Lee. Is this just a blip or a sign of something more serious?