this is open all sorts of opportunities for states to call robert bridgette collaborate -- to collaborate. i think you have seen steps forward and all of these areas. in terms of early warning and defense and things like that. they face so many of the same challenges that bring them in line with so many at the other states that i think we have real opportunities. >> one final question from me, you book describes the process that is dynamic and conditions- based inseams and driven by objective data. what changes in which data -- in which data might cause you to revisit the timeline? what are the metrics we should be looking at? >> first of all, ultimately the president of the united states will make the final decision, but in terms of what commanders are likely to look at as warning signs that things were getting much worse than they currently are -- i think it is all of collapse of public confidence in the security forces it would be troubling. confidence is going up, not down. if the self confidence drop out, thought would be concerning. -- if you saw confidence dropped out, that would b