Your Response to the Beheading of the Journalist....

[Christianbookworm]

You can do it in a generation if you're willing to make Stalin look like Mother Theresa.

And that would be evil. Ends justify the means? There have to be better options than killing them all.

[Darth Executor]

And that would be evil. Ends justify the means?

The ends are the only things that justify means. I mean, what else would justify them?

There have to be better options than killing them all.

Depends what you mean by "them all". When it comes to Isis fighters killing them until they properly surrender is the only solution I can see.