secretary of state saying they have strengthened their court ration he continue with weeksent obama in two time. thomas waterhouse reports. thomas: the resolute cooperation could not be higher. itseen the u.s. and oldest allies, that is with the u.s. secretary of state said when he arrived at the elysee palace on tuesday. standing shoulder to shoulder with president hollande, john kerry vowed to do more to stamp out the islamic state group, who orchestrated friday upon deadly attacks in the french capital. , in thelked about significant steps that we can take together, in a number of different areas, to increase our efforts and be more effective esch.against da with the attacks now in paris, we have to step up our efforts to hit them at the core where they are planning these things. on ae pentagon has agreed set of measures. between -- the same day that french planes took to the skies against stronghold in syria, from where intelligence friday's suspect attacks were planned. more is being done to bolster security at frontiers. points that will not be in doubt this week when francois ho