Falling short: Why the White House will miss its vax target
President Joe Biden speaks during an event in the State Dining room of the White House in Washington, Wednesday, June 23, 2021, to discuss gun crime prevention strategy. (AP Photo/Susan Walsh)

President Joe Biden speaks during an event in the State Dining room of the White House in Washington, Wednesday, June 23, 2021, to discuss gun crime prevention strategy. (AP Photo/Susan Walsh)

Jun. 23, 2021 05:29 PM EDT
President Joe Biden takes a selfie as he greets members of the audience after speaking during a visit to a mobile COVID-19 vaccination unit at the Green Road Community Center in Raleigh, N.C., Thursday, June 24, 2021. (AP Photo/Susan Walsh)

President Joe Biden takes a selfie as he greets members of the audience after speaking during a visit to a mobile COVID-19 vaccination unit at the Green Road Community Center in Raleigh, N.C., Thursday, June 24, 2021. (AP Photo/Susan Walsh)

Jun. 24, 2021 06:23 PM EDT
President Joe Biden greets members of the audience after speaking during a visit to a mobile COVID-19 vaccination unit at the Green Road Community Center in Raleigh, N.C., Thursday, June 24, 2021. (AP Photo/Susan Walsh)

President Joe Biden greets members of the audience after speaking during a visit to a mobile COVID-19 vaccination unit at the Green Road Community Center in Raleigh, N.C., Thursday, June 24, 2021. (AP Photo/Susan Walsh)

Jun. 24, 2021 06:22 PM EDT
President Joe Biden speaks at the Green Road Community Center in Raleigh, N.C., Thursday, June 24, 2021. Biden is in North Carolina to meet with frontline workers and volunteers and speak about the importance of getting vaccinated. (AP Photo/Susan Walsh)

President Joe Biden speaks at the Green Road Community Center in Raleigh, N.C., Thursday, June 24, 2021. Biden is in North Carolina to meet with frontline workers and volunteers and speak about the importance of getting vaccinated. (AP Photo/Susan Walsh)

Jun. 24, 2021 06:00 PM EDT
President Joe Biden speaks at the Green Road Community Center in Raleigh, N.C., Thursday, June 24, 2021. Biden is in North Carolina to meet with frontline workers and volunteers and speak about the importance of getting vaccinated. (AP Photo/Susan Walsh)

President Joe Biden speaks at the Green Road Community Center in Raleigh, N.C., Thursday, June 24, 2021. Biden is in North Carolina to meet with frontline workers and volunteers and speak about the importance of getting vaccinated. (AP Photo/Susan Walsh)

Jun. 24, 2021 05:54 PM EDT
President Joe Biden listens as Attorney General Merrick Garland speaks during an event in the State Dining room of the White House in Washington, Wednesday, June 23, 2021, to discuss gun crime prevention strategy. (AP Photo/Susan Walsh)

President Joe Biden listens as Attorney General Merrick Garland speaks during an event in the State Dining room of the White House in Washington, Wednesday, June 23, 2021, to discuss gun crime prevention strategy. (AP Photo/Susan Walsh)

Jun. 23, 2021 05:15 PM EDT
President Joe Biden speaks during an event in the State Dining room of the White House in Washington, Wednesday, June 23, 2021, to discuss gun crime prevention strategy. (AP Photo/Susan Walsh)

President Joe Biden speaks during an event in the State Dining room of the White House in Washington, Wednesday, June 23, 2021, to discuss gun crime prevention strategy. (AP Photo/Susan Walsh)

Jun. 23, 2021 05:14 PM EDT
Dr. Rasheeda Monroe, medical director at Primary Care Pediatrics at WakeMed, listens with North Carolina Gov. Roy Cooper as President Joe Biden visits a mobile vaccination unit at the Green Road Community Center in Raleigh, N.C., Thursday, June 24, 2021. (AP Photo/Susan Walsh)

Dr. Rasheeda Monroe, medical director at Primary Care Pediatrics at WakeMed, listens with North Carolina Gov. Roy Cooper as President Joe Biden visits a mobile vaccination unit at the Green Road Community Center in Raleigh, N.C., Thursday, June 24, 2021. (AP Photo/Susan Walsh)

Jun. 24, 2021 05:29 PM EDT