President Obama traveled to Wisconsin on Wednesday. He toured the Master Lock plant, which has recently brought manufacturing jobs back to the US from China. The plant is running at full capacity for the first time in more than a decade.
GOP presidential candidate Rick Santorum swept caucuses in Minnesota and Colorado and the Missouri primary, gaining considerable ground on Mitt Romney's primary lead. NPR's Ken Rudin and Dan Balz, of the Washington Post, recap the week in politics.
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