NEW DELHI, Jan. 18 -- Mahendra Singh Dhoni's 54-ball 55 not out played a crucial part in India's win against Australia in the second one day international (ODI) in Adelaide. It may not have been the determining factor. Without Virat Kohli's masterful century and Dinesh Karthik's invaluable 14-ball 25 not out at the end, Dhoni's innings would not have been enough. But at least Dhoni stuck around till the end, and guided India over the line. It has been a while since he has done that....