By Avenash Ramzan (Guyana Times) Twin hundreds from opener Shimron Hetmyer and Tagenarine Chanderpaul ensured Guyana emerged with a flawless record following a 44-run win over Barbados in the final round of the West Indies Cricket Board (WICB) Regional Under-19, 50-over cricket competition on Wednesday at the National Stadium, Providence. Hetymer’s attacking 123 and Chanderpaul’s