U.S. Vice President Joe Biden and Dr. Jill Biden dance during the Inaugural Ball at the Walter Washington Convention Center in Washington, DC on January 21, 2013. President Obama started his second term by taking the Oath of Office earlier in the day during a ceremony on the West Front of the U.S. Capitol. - 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 Chip Somodevilla/Pool/ABACAPRESS.COM