1.   America is the uncontested leader of the digital revolution.

2.   Nigeria was once the uncontested leader in Africa, the staunchest backer of liberation movements in South Africa and other white-ruled countries.

3.   Nigeria, after all, once stood as the uncontested leader in Africa.

4.   Fischer and Forsberg -- the reigning World Cup champions -- took uncontested leader positions in the World Cup after a third of the season.

5.   On Monday, Congress made Sonia Gandhi, widow of former Prime Minister Rajiv Gandhi, its uncontested leader.