Saturday. BBC 1, 1pm IT'S opening weekend of the 2006 Six Nations Championship and there is a blinding set of matches to get the Rugby Union competition going. World champions England clash with Grand Slam winners Wales at Twickenham. Wales haven't won a

Saturday. BBC 1, 1pm IT'S opening weekend of the 2006 Six Nations Championship and there is a blinding set of matches to get the Rugby Union competition going. World champions England clash with Grand Slam winners Wales at Twickenham. Wales haven't won a match at England's fortress ground since 1988, and England will want to reclaim their title as the best team in the Northern hemisphere. In Dublin Ireland, who are hoping to launch a new start on the title after last year's performance, play Italy. There's just enough time to learn some rugby songs in preparation for an exciting Saturday afternoon of sport.