Today, publishers Simon & Schuster publish David's new book : "Seven Deadly Sins : My pursuit of Lance Armstrong"
Last week David won his third British Sports Journalist of the Year award and he also won the overall British Journalist of the Year Award.
Tonight from GMT 19.45 hrs to 22.00 hours at the Sunday Times offices will speak about the investigation in to Lance Armstrong
You can watch this event at http://www.thesundaytimes.co.uk/sto/public/david_walsh/article1171764.ece
Viewers can submit questions via Twitter using hastag#WalshLive.
Last week David won his third British Sports Journalist of the Year award and he also won the overall British Journalist of the Year Award.
Tonight from GMT 19.45 hrs to 22.00 hours at the Sunday Times offices will speak about the investigation in to Lance Armstrong
You can watch this event at http://www.thesundaytimes.co.uk/sto/public/david_walsh/article1171764.ece
Viewers can submit questions via Twitter using hastag#WalshLive.