A young woman gestures as a crowd of young people wait to hear U.S. President Donald Trump deliver an "Address to Young Americans" at the Dream City Church in Phoenix, Arizona, U.S., June 23, 2020.

A Trump supporter holds a flag across from Yuma International Airport in anticipation of U.S. President Donald Trump arriving to survey a section of the border wall, in Yuma, Arizona, U.S., June 23, 2020.

Trump supporters and protesters gather across from Yuma International Airport in anticipation of U.S. President Donald Trump arriving to survey a section of the border wall, in Yuma, Arizona, U.S., June 23, 2020.

U.S. President Donald Trump tours a section of the U.S.-Mexico border wall in San Luis, Arizona, U.S., June 23, 2020.

U.S. President Donald Trump arrives from backstage to deliver an "Address to Young Americans" at the Dream City Church in Phoenix, Arizona, U.S., June 23, 2020.

U.S. President Donald Trump delivers an "Address to Young Americans" at the Dream City Church in Phoenix, Arizona, U.S., June 23, 2020.

U.S. President Donald Trump holds up a picture of border wall being installed along the U.S.-Mexico border as he participates in a roundtable briefing on border security at the U.S. Border Patrol Yuma Station in Yuma, Arizona, U.S., June 23, 2020.

U.S. President Donald Trump reads a plaque commemorating the construction of the 200th mile of border wall that he had just autographed while visiting the wall on the U.S.-Mexico border in San Luis, Arizona, U.S., June 23, 2020.

Steve and Karen Anderson look through binoculars in anticipation of U.S. President Donald Trump arriving to survey a section of the border wall in Yuma, Arizona, U.S., June 23, 2020.

U.S. President Donald Trump waves as he tours a section of new U.S.-Mexico border wall built in San Luis, Arizona, U.S., June 23, 2020.

A protester holds a sign across from Yuma International Airport in anticipation of U.S. President Donald Trump arriving to survey a section of the border wall, in Yuma, Arizona, U.S., June 23, 2020.

Spectators watch as Air Force One lands at Yuma International Airport as U.S. President Donald Trump arrives to survey a section of the border wall, in Yuma, Arizona, U.S., June 23, 2020.

Protesters hold signs across from Yuma International Airport as U.S. President Donald Trump arrives to survey a section of the border wall, in Yuma, Arizona, U.S., June 23, 2020.

Young people react to U.S. President Donald Trump as he delivers an "Address to Young Americans" at the Dream City Church in Phoenix, Arizona, U.S., June 23, 2020.

Young people react to U.S. President Donald Trump as he delivers an "Address to Young Americans" at the Dream City Church in Phoenix, Arizona, U.S., June 23, 2020.