Trump moved Tulsa rally date after learning about Juneteenth

President Donald Trump speaks during a roundtable discussion with African-American supporters in the Cabinet Room of the White House, Wednesday, June 10, 2020, in Washington. Seated alongside Trump are Pastor Darrell Scott and Housing and Urban Development Secretary Ben Carson. (AP Photo/Patrick Semansky)

CORRECTS TO LAST NAME TO GOODWIN-Representative Regina Goodwin speaks during a news conference Friday, June 12, 2020, about members of the Oklahoma Legislative Black Caucus respond to President Donald Trump's planned visit to Tulsa. (Mike Simons/Tulsa World via AP)

FILE - In this Feb. 3, 2020, file photo, U.S. Sen. James Lankford, R-Okla., talks with reporters on Capitol Hill in Washington. Sen. Lankford says he believes Oklahoma's reopening of businesses amid the coronavirus pandemic comes at the right time. Lankford told The Associated Press Tuesday, May 5, 2020, that some will second-guess Gov. Kevin Stitt's decision to allow businesses to begin reopening, but said even harder hit states such as New York are now looking to reopen. (AP Photo/Susan Walsh, File)

Sen. Tim Scott, R-S.C., speaks during a Senate Small Business and Entrepreneurship hearing to examine implementation of Title I of the CARES Act, Wednesday, June 10, 2020 on Capitol Hill in Washington. (Kevin Dietsch/Pool via AP)