Cameron and Hidalgo counties’ biggest cities showed strong gains in state sales tax reimbursements for August, the Texas Office of the Comptroller reports. Brownsville posted a 10.66 percent gain, among the biggest in the county. Harlingen posted its second positive month in a row after a string of negative sales tax numbers earlier in the year, and was up 3.85 percent for the month. For the year, the city is...