Somali Pirates...what to do?

Looking at things like this... http://www.saveourseafarers.com/the-cost... , most captured Somali pirates get released again because nobody wants to take responsibility for them, I ask myself is the only solution to here to put armed guards on every ship passing through the danger zone? Has anyone a better idea?
Update: @ XOMOC....My thoughts exactly, if it was easier to kill them with more robust rules of engagement things might change, but namby pamby powers that be probably won't let a rapid 'shoot to kill' policy happen.
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