MORRISTOWN, Tenn., May 2, 2008 (PRIME NEWSWIRE) -- Jefferson Bancshares, Inc. (Nasdaq:JFBI), the holding company for Jefferson Federal Bank, announced net income of $495,000, or $0.09 per diluted share, for the quarter ended March 31, 2008, compared to net income of $454,000, or $0.07 per diluted...