blaise misztal is joining us from the houston institute. later -- hudson institute.ater we will turn our attention to 2020 tax loss. -- tax laws. dr. francis collins is the director at the national institutes of health, responding to a number of questions including that about disease prevention and research into social problems that often make americans sick. the full conversation also available on the free c-span radio app app. here's a portion of newsmakers. [video clip] >> i wonder what you would say to members of congress about the importance to look at prevention to throw more money, to put it bluntly, behind research into things such as hunger, poverty, the kinds of things leading to the addiction and poor health so many have, mentioning the despair, death and alcohol, drugs and suicide. what about these underlying problems that get ignored? >> they should not be ignored. they are critically important. i'm with you on that and those are central parts of nih's agenda. very major efforts now on the opioid crisis, which is an example of the depth of despair you re