AP News
Posted: Sep 04, 2012 8:40 PM

Amid the nods to America's red, white and blue, attention at the Democratic National Convention has been paid to gray — as in the noticeable change in 51-year-old President Barack Obama's hair since taking office.

Obama has chalked it up to genetics over stress. But Minneapolis Mayor R.T. Rybak told delegates Tuesday that it's a testament to his toughness.

"President Obama has earned every gray hair on his head, fighting for the middle class and every American," Rybak said.

— Brian Bakst — Twitter http://twitter.com/Stowydad


EDITOR'S NOTE — Convention Watch shows you the 2012 political conventions through the eyes of Associated Press journalists. Follow them on Twitter where available with the handles listed after each item.