@CNN: The three letters on everyone’s lips at this year’s #WorldCup? VAR. What is it? And why is it proving to be controversial? https://t.co/Q0pYfszRPu https://t.co/KupMJSubPD

@CNN: The three letters on everyone’s lips at this year’s #WorldCup? VAR.

What is it? And why is it proving to be controversial? https://t.co/Q0pYfszRPu https://t.co/KupMJSubPD