By Ryan Moore, Hattiesburg American, via AP Brooke Kartchner examines the shoe selection at The Watermelon Patch in Hattiesburg, Miss., on July 30, as she seeks to take advantage of the state’s sales tax holiday. By Martha T. Moore, USA TODAY Despite state budget troubles, more states than ever are embracing sales tax Holidays In Vietnam, which aim to please back-to-school shoppers even as they draw criticism from economists. GAS TAX: Posted Updated | | | To report corrections and clarifications, contact Standards Editor . For publication consideration in the newspaper, send comments to . Include name, phone number, city and state for verification. To view our corrections, go to . Guidelines: You share in the USA TODAY community, so please keep your comments smart and civil. Don’t attack other readers personally, and keep your language decent. Use the “Report Abuse” button to make a difference. .