Previewing Tuesday's primaries in 5 states, including Wisconsin, Minnesota and South Carolina

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Previewing Tuesday's primaries in 5 states, including Wisconsin, Minnesota and South Carolina

Voters in five states are gearing up for another big primary day on Tuesday. Connecticut, Vermont, Minnesota and Wisconsin are holding elections for state and federal offices while South Carolina is having a special primary for late Sen. Lindsey  Graham's open Senate seat. CBS News' Mark Strassmann, Jonah Kaplan and Taurean Small have more.
Source: Previewing Tuesday's primaries in 5 states, including Wisconsin, Minnesota and South Carolina