PRETORIA, July 11 : South Africa coach Rassie Erasmus is happy to take risks with team selection because he feels he has supporters’ backing after the world champions were given a scare by Scotland on Saturday.South Africa beat the Scots 42-28 at Loftus Versfeld in their second game of the new Nations Championship, but their experimental line-up was pushed to the limits with the Scots level at halftime and dangerous through most of the second half.Erasmus wants to use the new competition to increase the pool of players he will have available for South Africa’s defence of their World Cup crown in Australia next year, but making the fans aware of his plans has been key to the process.“I don’t think the crowd was happy at the end but I think South Africa understands what we tried to do in thi