r. luciana borio, the assistant commission ergs for u.s. counter-terrorism policy at the u.s. food and drug administration. dr. wagoner, u.s. department of homeland security. joining us today on video conference from texas will be dr. daniel varga, senior vice president at texas health resources. joining us in a moment. i will now swear in the witnesses. you are all what ware -- all aware the committee is holding an investigation and when doing so has the practice of taking testimony under oath. do any of you have an objection to giving testimony under oath? >> no. >> no. >> the witnesses say no. dr. varga? >> no. >> you are entitled to be advised by counsel. advisedf you wish to be by counsel during your testimony today? >> no. >> no. >> everyone answers no. >> that case, please rise, and i will swear you in. raise your right hand. do you swear the testimony you are about to give is the truth k, the whole truth, and nothing but the truth? >> i do. >> i do. >> i do. >> i do. >> thank you, doctors. you are now subject to the penalties in title 18. of the u.s. code. we call upon