As government doors reopened Thursday following a painful, 16-day economic odyssey, some of the nation’s top business groups were taking a hard look at their political strategy. Specifically: how to counter Tea Party members who brought the country to the brink of default. The political arm of the National Retail Federation said it was reviewing 25 different primaries and would likely invest in challengers in a small group of them. “This was a man-made disaster. This didn’t have to happen,” David French, the National Retail Federation’s top lobbyist, told the Sun-Times on Thursday. “There is an underlying concern with a...