they're more ambitious than ever. >> well, chuck, clearly there's going to have to be an intensification of our efforts, and what we've been able to do is look at what has worked in the application of the strategy and what hasn't. what we see working is being able to get equipment, arms directly to the fighters on the ground like the kurds in northern iraq, like the forces we partnered with in northern syria, backed by our air power, and what we're doing at the g-20 in part is seeking to gain additional contributions from some of our coalition partners so that we're able to bring more force to bear on that effort. >> does the president now have any pause about bringing syrian refugees into the united states? >> no, chuck. we have very extensive screening procedures for all syrian refugees who would come to the united states. there's a very careful vetting process that includes our intelligence community, our national counterterrorism center, the department of homeland security, so we can make sure that we're carefully screening anybody who comes to the united states. let's remember though, chuck, we're also dealing with people who suffer the horrors of war,