Democratic National Committee Chairman Howard Dean has vowed not to get involved in the primary battle between Sen. Joe Lieberman and political upstart Ned Lamont. But his brother, James Dean, has already endorsed Lieberman's challenger. "I personally think Ned is a terrific candidate and I want to support him," Dean's brother said at a Connecticut fundraiser last month. "I think not only is it a good race for the voters because he's bringing the war back [as an issue], I think his campaign will benefit candidates up and down the Democratic ticket." Dean's brother is now chairman of Democracy for...