Photos: A hat tip to the presidents

President Barack Obama opted not to try on the Naval Academy football helmet presented to him during a ceremony at the White House on Friday, April 12. "Here's the general rule: You don't put stuff on your head when you're president," he said to laughter. "So, that's politics 101. You never look good when you are wearing something on your head." Take a look back at presidents who have broken the rule.

President Barack Obama opted not to try on the Naval Academy football helmet presented to him during a ceremony at the White House on Friday, April 12. "Here's the general rule: You don't put stuff on your head when you're president," he said to laughter. "So, that's politics 101. You never look good when you are wearing something on your head." Take a look back at presidents who have broken the rule.