India-born controversial author Salman Rushdie's 'Midnight's Children' has established an unassailable lead over five other contenders in global public voting for the 'Best of the Booker' award. The winner will be formally announced on July 10 as part of the London Literature Festival at the Southbank Centre but bookmakers have now closed betting on the award after Sir Rushdie's 'Midnight Children' emerged as the clear favourite."The voting pattern has been well established now and will no