Dean Jones on the four big evolutions he wants to see in T20 By Siddhartha Vaidyanathan Dean Jones approached one-day cricket in the mid-’80s like many others would in the ’90s. He was one of the best when it came to running between the wickets, and he understood the importance of accelerating in the middle overs instead of sitting back and waiting for the last ten. He wore sunglasses to help him take catches when the ball disappeared in the glare of the sun. And he experimented with oval bat…