FILE - Texas Gov. Greg Abbott passes in front of a memorial outside Robb Elementary School to honor the victims killed in a school shooting in Uvalde, Texas, May 29, 2022. Abbott on Wednesday, Aug. 31 pushed back on calls by Uvalde families for new gun control measures in Texas, saying that raising the minimum age to purchase weapons like the one used in the Robb Elementary School massacre would be “unconstitutional." (AP Photo/Dario Lopez-Mills, File)