our region, what is it that we know about korea where we can apply leverage? >> i think it is a good sign that secretary mattis went out and tried to turn down the volume a little bit on the rhetoric. i think that's important that potential for miscalculation on kore korean peninsula is pretty high. thousands of u.s. troops and korean troops staring at north korean troops on the other side of the border on a daily basis. they are already on a hair pin trigger. it is good that mattis chose to turn down the volume on that. i will say keeping options on the table is smart tactically. i think options need to remain on the table as tool but as a last resort. >> david, as we have pictures up, police in hamburg are advancing slowly. police have told journalists