From this Yahoo! article:
He was sympathetic, but accepted the Transportation Security Administration’s reasons for the ban.
“What are you going to do?” he said. “I guess you have to be safe.”
Amanda Volz, a TSA screener in Minneapolis, said she hoped more travelers would take that attitude Friday.
“There’s some moaning and groaning, and a few people who get angry, but once you explain it to them, they are more lenient about giving it up,” Volz said. “You just try to make them understand that it’s for their safety.”
Lots of things are done for safety. But they aren’t always the best choice, or the most useful. And there’s usually more than one way to make something safe and secure.