U.S. Vice President Joe Biden (L) walks down the colonnade to announce he will not be seeking the Democratic presidential nomination in 2016 as he holds hands with his wife Dr. Jill Biden and President Barack Obama follows behind in the Rose Garden of the White House, October 21, 2015, in Washington, DC, USA. - 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 Mike Theiler/Pool/ABACAPRESS.COM