joining me now is former cia director john brennen. director brennen, thank you for being here. i wonder what the sort of stipulation enduring not a one time strike suggests to you in terms of what the white house is thinking about. >> well, i think alex, as the iranian proxy groups in the region have demonstrated they continue to carry out attacks against u.s. forces, u.s. interests, so i think the biden administration recognizes they're going have to keep a sustained effort against these groups to prevent them from carrying out these attacks. so i suspect we're getting closer to the kmepsment of these strikes. i suspect they're going to be directed against these groups that reside in syria, iraq, and yemen, and also they're going to be targeted against those elements they have participated in some of these attacks against the u.s. interests including members part of the iranian levlutionary guards that works closely with these groups. so i do think we're going to see something that's going to be sustained, it's going to be broader than what has happened to date, but i do think