An Antiwar Challenge to Hillary Clinton SEE ALL POSTS PERMALINK COMMENTS (47) Former National Writers Union president Jonathan Tasini, one of the most outspoken progressive activists in the U.S. labor movement, is expected this week to launch a Democratic primary challenge to New York Senator Hillary Clinton on a progressive platform that features a call for bringing U.S. troops home from Iraq. Tasini has scheduled an announcement for Tuesday morning in New York City, setting up a campaign that could put unexpected pressure from the left on Clinton, the unannounced frontrunner for the 2008 Democratic presidential nomination who until...