Spin great Shane Warne has heaped praise on Virat Kohli as one of the greatest batsmen. The record-breaking Indian captain is being compared with Sachin Tendulkar, the most prolific scorer the game has ever seen, and others like Viv Richards and Brian Lara, etc. And the Aussie legend while admitting that it's "very hard to judge eras", said he is ready to wait to know if the Indian captain will go down in the history as the greatest ever.