If you offer to pay somebody to commit an act of terrorism, and then once they begin to prepare, arrest them for terrorism, are you catching terrorists or entrapping the unstable? This is a question being debated in several recent cases, including the recent arrest of Mohamed Osman Mohamud, who allegedly planned to bomb a Christmas tree lighting ceremony in Portland, Ore.

The Supreme Court ruled 5-4 yesterday to limit the Voting Rights Act. The ruling says there is no duty to draw voting districts that will elect black candidates in areas where blacks are less than a majority. The Takeaway talks to Nathaniel Persily, Columbia University law professor, and Richard Pildes, New York University law professor, about the implication of the ruling. Specifically, the role of race in elections almost 50 years after the Voting Rights Act was passed, and that the Supreme Court might rule on another section of the Voting Rights Act next month.