Contests in Iowa and Nevada have been plagued by embarrassing snafus. As Minnesota and Colorado head to their caucuses Tuesday, we look at why some states still bother with this primitive but uniquely American way of picking a president.
Minnesota holds non-binding GOP caucuses Tuesday. Newt Gingrich, Rick Santorum and Ron Paul all campaigned in the state Monday. Each of front-runner Mitt Romney's rivals is looking at the state as a place where they can regain their footing.
A centrist think tank finds that in several key states, both parties are losing voters relative to the number of newly declared independents. In Colorado, which holds its Republican caucuses Tuesday, declared independents are now about even with registered Republicans or registered Democrats.
While the barrage of negative ads is likely to be bad during the general election, the Republican primaries have seen a confluence of factors that have made for particularly fertile ground for negative ads: the introduction of superPACs collided with a war for control of the GOP between conservatives and hard conservatives.
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