Harriet Tubman $20 Bill In Question

FILE - In this Monday, Aug. 31, 2015, file photo, a woman holds a sign supporting Harriet Tubman for the $20 bill during a town hall meeting at the Women's Rights National Historical Park in Seneca Falls, N.Y. A Treasury official said Wednesday, April 20, 2016, that Secretary Jacob Lew has decided to put Harriet Tubman on the $20 bill, making her the first woman on U.S. paper currency in 100 years. (AP Photo/Carolyn Thompson, File)

FILE – In this Monday, Aug. 31, 2015, file photo, a woman holds a sign supporting Harriet Tubman for the $20 bill during a town hall meeting at the Women’s Rights National Historical Park in Seneca Falls, N.Y. A Treasury official said Wednesday, April 20, 2016, that Secretary Jacob Lew has decided to put Harriet Tubman on the $20 bill, making her the first woman on U.S. paper currency in 100 years. (AP Photo/Carolyn Thompson, File)

Harriet Tubman is considered a hero of the ages for her efforts to free scores of slaves. But her likeness on the $20 bill is in question. More from White House correspondent April Ryan.