let's speak to our correspondent in berlin, damien mcguinness. conference, obviously security already heightened in munich because of that and many world leaders will be there including the us vice president, but will it be ramped up further in light of this? , , . ramped up further in light of this? , . ., this? this is an annual event with, as _ this? this is an annual event with. as you _ this? this is an annual event with, as you say, _ this? this is an annual event with, as you say, global- with, as you say, global leaders and so security is already incredibly tight on the whole of the old town in the centre of munich is already, you couldn't get tighter security, so to be honest i don't think this attack, or suspected attack will have an impact on the munich security conference per se but it does have a broader impact on the political debate in germany right now because four weeks, really, the only thing germany has been talking about and politicians have been talking about in the run—up to the election is indeed security and we've seen a n