Questions about how a voucher program would — or wouldn’t — serve children with disabilities took center stage at a Texas Senate education committee hearing Tuesday to discuss the main school voucher bill on the table during the Legislature’s latest special session. Senate Bill 1, authored by Sen. Brandon Creighton, R-Conroe, would use taxpayer dollars to create education savings accounts, a voucher-like program that would give families access to $8,000 a year to pay for private school tuition and other educational expenses.