Are there topics you want to get the world to talk about? What do you want to comment on or find out what others think about?

Have Your Say wants to find out what interests you. Send us your ideas for new topics and you can set the agenda for a global conversation.

Here are your suggestions for this week:

Tuesday, 18th November

Pirates have seized the "Sirius Star", a giant Saudi-owned oil tanker in the Indian Ocean off the Kenyan coast. Given that this kind of piracy on the high seas keeps on happening and it affects so many countries, what international measures should be taken to combat it?

Pete Marsh, London, UK

Monday, 17th November

In connection with the shortage of donor organs, I find it unacceptable to allow next of kin to override the "Donor's" decision, and refuse to allow the donation. Why should this be?

John Crouch, Ludgershall, Andover, Hampshire