Supreme Court ruling on antiterror law: When is working with terrorists OK?

The US Supreme Court ruled Monday that human rights advocates who advise a foreign terrorist group – even if only to promote nonviolent means to settle a dispute – can be prosecuted for providing "material support" for that group. The 6-3 decision, which upholds a law that bans Americans from aiding designated terrorist organizations, did nonetheless say that there may be "more difficult cases" in which interaction with a terrorist group might be protected as free speech or freedom of assembly under the Constitution.

What do you think? Is there any type of work with a terrorist group that would not be "material support" of its activities?

Would it be legal, for example, to write a letter to Al Qaeda giving advice on different interpretations of Islamic jihad? Could an American meet with Hamas for an exchange of differing viewpoints?

Please share your constructive ideas on the form below: