comes to educating the public on covid. >> i am disappointed, as i said, by the testing challenges that we're facing, tests are hard to find. they are costly, people are unable to find the at home tests. >> this administration has time and again squandered its opportunities, you ask the american people to trust you, quite frankly, you have lost their trust. i'm at the end of my rope. i think you will see today that most of my colleagues are as well. >> bret: republicans and democrats in the senate questioning doctors fauci and walensky and being very critical and some of the substantive answers that came back on specific quells also were confusing, here is senator mitt romney. >> we're in a room right now. i'm sure someone here has omicron. are we all exposed? and, therefore, need to get tested? what does it mean to be exposed and when do we need to get tested? >> if you are exposed to an individual with known -- if you are in a period of 15 minutes at