The voter ID trial began its second week with a review of just how many voters would be barred from the ballot booth in November.Jonathan Marks, commissioner for the Department of State's Bureau of Commissions, Elections and Legislation, was the first to testify today. But Marks, who had previously served as Division Chief for the Statewide Uniform Registry of Electors (SURE), admitted that he doesn't really know the number of people who could be kept from voting this fall.