“Sorry seems to be the hardest word,” noted Elton John.On Monday, Hillary Clinton told the Associated Press there was no need to say “sorry” about her email set-up while Secretary of State. Twenty-four hours later she called the emails “a mistake,” telling ABC News, “I’m sorry about that.”What changed? Very little, apparently, except that news media place so much emphasis on that single five-letter word - as if uttering “sorry” fundamentally changes anything.ABC’s David Muir practically jumped from his chair.