very diverse in their backgrounds geographically, socioeconomically and educationally. and collect every kind of data we can about their medical experiences, their behaviors, life experiences, what is in their medical records, what is in their dna, all of this which people will agree to take part in in this national venture. announcer: "washington journal" continues. host: we will finish the program getting your thoughts on whether you support or oppose the action that took out soleimani. if you support it, (202) 748-8000. if you oppose it, (202) 748-8001 . for iraq war veterans, (202) 748-8002. you can also text us at (202) 748-8003. new tweets from mike pompeo when it comes to the events from earlier this week, saying he spoke with united arab emirates about the decision to take defensive action, protect u.s. personnel abroad, he said in the is also concerned about the provocations from iran and the u.s. is committed to de-escalation. also said the same situation was discussed with the iraqi president about the decision to take that action and protect u.s. personnel,