text: Barnes Upset About Helping Bush Avoid War AUSTIN, Texas - Former Texas House Speaker Ben Barnes' recollections over how he helped President Bush get into the Texas Air National Guard during the Vietnam War have evolved over the years from fuzzy to distinct, with him now expressing remorse for what he did.    Barnes, a Democrat who was one of the most powerful politicians in Texas in the '60s and '70s, said at an Austin campaign rally for Democrat John Kerry that he was "ashamed" for helping Bush and sons of other wealthy Texans avoid service in Vietnam...