An esteemed economics professor at the University of Texas at Austin resigned in the wake of a new open carry law that could allow people to have concealed weapons in college buildings. The law’s supporters argue it will help protect students and faculty in the event of a shooting. But, Daniel Hamermesh, who is the Sue Killam Professor Emeritus, wrote in a letter to University President Greg Fenves that the law enhanced the “risk that a disgruntled student might bring a gun into the classroom.” “The issue is not people like me, I’m small potatoes, the real issue is that for Texas, for people who are thinking about coming here, they have lots of alternatives.