Democratic presidential candidate Barack Obama, his wife, Michelle, vice presidential candidate Joe Biden and his wife, Jill, wave to the convention crowd at the Democratic National Convention at Invesco Field at Mile High in Denver, CO, USA on Thursday, August 28, 2008. - New First Lady of the United States Jill Biden is a 69-year-old teacher. English teacher in public college, she intends to continue her profession as First Lady. Photo by Olivier Douliery/ABACAPRESS.COM