Top Dems leave as protest nears Party split between anti-war activists and prominent critics STEVEN THOMMA Knight Ridder Posted on Fri, Sep. 23, 2005 WASHINGTON - As the anti-war movement arrives in Washington this weekend, many Democrats are leaving. Nationally known Democratic war critics, including Howard Dean, chairman of the Democratic National Committee, and Sens. Hillary Rodham Clinton of New York, Russell Feingold of Wisconsin and John Kerry of Massachusetts, won't attend what sponsors say will be a big anti-war rally Saturday in Washington. **SNIP** En route to Washington for the rally, anti-war activist Cindy Sheehan protested outside Clinton's New...