On Monday, the Supreme Court ruled 6-3 to uphold a federal banning any type of assistance for terrorist organizations – even humanitarian aid or efforts to peacefully resolve differences. Why was this an important decision? Why is it important to include humanitarian aid in this ban? Should we be surprised Justice Stevens sided with the majority? And what should we make of the U.S. giving $400 million to Hamas-controlled Gaza in light of this law? We ask Daveed Gartenstein-Ross, vice president of research at the Foundation for the Defense of Democracies.