President Barack Obama (L), First Lady Michelle Obama, Vice President Joe Biden, Dr. Jill Biden and White House staff observe a moment of silence for the 12 anniversary of the 9/11 terrorist attacks, at the White House in Washington, D.C., USA on September 11, 2013. - 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 Kevin Dietsch/UPI/Pool/ABACAPRESS.COM