Joe Root hails ‘very special’ Test series win over Sri Lanka after sleepless night

• England beat Sri Lanka by 57 runs to win second Test and series
• Captain admits to mistakes but learning from experienceLike most modern Test captains Joe Root has had to learn how to lead on the job. Now after 23 games in charge the feeling grows that he has the measure of one of the most demanding posts in British sport. He is more comfortable as captain. This impression is enhanced by his acknowledgment that he makes mistakes out there. Insecure captains do not usually admit that