members of congress and child tax credits. and call it a presidential booster shot. all four living presidents, except for drunk, just out with a new psa encouraging vaccinations. this vaccine means hope. i am getting vaccinates because we want this pandemic to end as soon as possible. we are all doing our part. this is our shot. our reporters are spread out for our special coverage of covid one year later. i am hallie jackson. monica alba is outside the white house. gabe gutierrez is in new york and dr. john torres. we have many reporters we want to get to for our special coverage. monica, let me start with you and what we expect to hear from president biden tonight, a day before he signs the coronavirus bill into law. reporter: the president is going to acknowledge everything that this country has been through over the last year, while also trying to talk about and hint at the hope that on the horizon, more vaccine become available, we will talk about his americ