Gov. Greg Abbott announced Thur. that all counties would be limited to just one drop-off site for ballots, regardless of size or number of voters. Harris County, home to more than 2 million registered voters across more than 1,700 sq miles had 12 sites that opened Monday. Houston U.S. Rep. Al Green called it about as good example as we'll get showing why Texas should be subject to federal review of election law changes under the Voting Rights Act.