Speaking weeks after Wells Fargo disclosed plans to close more than 400 branches nationwide through 2018, Jack Clayton, regional president of the San Francisco-based bank, says his team isn’t nervous about the number issued by corporate. “We’ve got plenty of jobs for everybody,” he says. While it’s early in the planning process when it comes to those branch closures, he says the math makes it work out to an average of about four branch closures for every region, including his. “Every…