The vice president and second lady appeared in the finale of the NBC series.
Biden's visit comes as polls show Nunn gaining momentum in the Senate race.
Jill Biden says even a little lipstick can go a long way.The vice president’s wife was on-hand...
The president will look to "expand on themes" he mentioned in his address.
Biden slipped and fell last week, breaking her left wrist, a White House aide said.
Second lady Jill Biden joined Michelle Nunn and hundreds of volunteers in Atlanta.
The vice president's wife will also attend an event celebrating teachers.
The event will be held next week at the former president's library.
Second lady Jill Biden had an unexpected accessory for the State of the Union on Tuesday: a cast.
The Obama-Biden transition team clarified her remarks earlier today made by Dr. Jill Biden, the...