Federer, Nadal, Roddick all have questions to answer
Is this the last season Roger Federer has a legitimate chance to win the elusive French Open title? Why does Rafael Nadal appear to be more vulnerable this year than in the past? It's not too early to shed some light on these burning clay-court questions.
Originally Published: April 17, 2008By Ravi Ubha | Special to ESPN.com