Thousands of National Guard troops from around the nation, including scores from Iowa, deployed to Washington to protect the hallmarks of democracy. But images of soldiers being relegated to rest on the concrete floor of a cold parking garage elicited bipartisan outrage Friday and calls for an investigation into why the treasured troops were treated so shabbily.“These are soldiers, men and women who voluntarily stepped up to serve our state and our country and they deserve our respect and admiration,” Republican Iowa Gov.