By PAUL REES

PAT Lam believes the game is ripe for a shake-up driven by wealthy investors as attempts to introduce a global calendar and minimise the overlaps between club and international rugby struggle to get beyond the talking stage.
A sign of what might be came last year when the World 12s, an annual international tournament to be played over three weeks every August which would be worth £250,000 for top players, was set up.
Clubs in both hemispheres privately expressed an interest having been promised £50,000 for every player they released to the tournament, but a number of Union...