There’s no law that says The One campaign that inspires Goodby, Silverstein & Partners CCO Margaret Johnson can’t be the agency’s 1990s campaign for Norwegian Cruise Lines. Or that diving from the edge of the stratosphere for Red Bull is The One that makes her envious. Or that an unconventional campaign for Häagen-Dazs that is as sweet as the honeybees it saved is The One that brings her the most pride. The One Show has celebrated a lot of Ones over the past 50 years. What’s your One?