HAPPENING NOW: Biden says farewell to the Senate

[cnn-photo-caption image= http://i2.cdn.turner.com/cnn/2009/images/01/15/art.cnnlive1.cnn.jpg caption=" Biden is delivering his farewell speech to the Senate."](CNN) - Sen. Joe Biden is delivering his farewell address to the Senate this hour.

Biden formally resigns his seat Wednesday at 5 p.m. ET. He was first elected to the Senate in 1972, at age 29.

Watch the event on CNN.com/live