DesJarlais Fighting For Another Term

U.S. Rep. Scott DesJarlais, R-South Pittsburg, has been on a wild political ride: from dark-horse candidate, to surprise tea party winner, to GOP standard-bearer and finally to political outcast -- all in the span of about 36 months. Now, the second-term congressman is trying on one last label -- incumbent -- in his bid to secure a third term. The Tennessean looks at his campaign.