In a speech that lasted more than 25 minutes, after paying emotional tribute to his wife, Michelle, and his daughters, Malia and Sasha  as well as to his Vice-President, Joe Biden  Obama returned to the message that first brought him to national attention.

In a speech that lasted more than 25 minutes, Obama paid emotional tribute to his wife, Michelle, and his daughters, Malia and Sasha  as well as to his Vice-President, Joe Biden.
