Need To Know

Voting laws, abortion, Tourtettes, coal, slavery

We look at how several states have been rewriting their voting laws and how it might impact the coming 2012 election. We also examine a new alternative therapy to Tourette's syndrome and how it has already helped one 12-year-old boy battle the disorder. And Jon Meacham discusses the West Virginia coal mining disaster and the need for a national energy plan.

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