"We are analyzing the impact of the papal visit on operations in Ballard's offices in Philadelphia and Washington, D.C.," Ballard Spahr spokeswoman Robin Ireland said. "Firm management has recommended to lawyers and staff that they try to avoid scheduling events and meetings during the busiest times of the World Meeting of Families (Friday, Saturday, and Sunday) since public transportation is likely to be limited and traffic congestion is assured. We're told that our building will be open, but we can't be certain whether the city might impose security measures that would affect the accessibility of the office."