Clinton: Iowa a "special burden" for campaign BY GLENN THRUSH October 24, 2007 WASHINGTON - Hillary Rodham Clinton is adopting a unique strategy to tamp down expectations she'll win the Iowa caucuses - suggesting that sexism will create a glass ceiling in the Hawkeye State. In an interview with The Des Moines Register, Clinton singled out Iowa and Mississippi as two states that have never elected top officials who are women. She called Iowa a "special burden" for her campaign and said it was her "hardest" state. "I was shocked when I learned Iowa and Mississippi have never elected a...