■By JON NEWCOMBE
BRISTOL Bears COO Tom Tainton insists rugby must continue to “take calculated risks” to widen its appeal and draw in new fans if it’s ever going to become a sustainable sport. While appreciating the decision to move their Round 16 home derby with Bath to the Principality Stadium in Cardiff may not be universally popular with their 8,000plus season ticket holders, Tainton says rugby cannot afford to keep doing the same things if it wants to grow. Bristol, backed by their billionaire owener Steve Lansdown, finished with a total loss of &…