Gov. Greg Abbott vowed last week at a border security summit to build a barrier to slow the flow of migrants through the state’s southern border. Abbott said details would be forthcoming for the wall, which would be part of a new enforcement plan administered by several state agencies, ranging from the governor’s office to the Texas Department of Public Safety. He said he intends to sign legislation appropriating more than $1 billion for enhanced border security. “While securing the border is the federal government’s responsibility, Texas will not sit idly by as this crisis grows,” Abbott said. “The state is working ...