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- Demonstrators walk in the street in the Greenwood area after President Trump's campaign rally in Tulsa, Okla., Saturday, June 20, 2020. (AP Photo/Charlie Riedel)
- President Donald Trump supporters attend a campaign rally at the BOK Center, Saturday, June 20, 2020, in Tulsa, Okla. (AP Photo/Evan Vucci)
- President Donald Trump speaks during a campaign rally at the BOK Center, Saturday, June 20, 2020, in Tulsa, Okla. (AP Photo/Evan Vucci)
- President Donald Trump speaks during a campaign rally at the BOK Center, Saturday, June 20, 2020, in Tulsa, Okla. (AP Photo/Sue Ogrocki)
- Demonstrators burn a Trump flag near the BOK Center where President Trump is holding a campaign rally in Tulsa, Okla., Saturday, June 20, 2020. (AP Photo/Charlie Riedel)
- President Donald Trump speaks during a campaign rally at the BOK Center, Saturday, June 20, 2020, in Tulsa, Okla. (AP Photo/Evan Vucci)
- Demonstrators march near the BOK Center where President Trump is holding a campaign rally in Tulsa, Okla., Saturday, June 20, 2020. (AP Photo/Charlie Riedel)
- President Donald Trump speaks during a campaign rally at the BOK Center, Saturday, June 20, 2020, in Tulsa, Okla. (AP Photo/Evan Vucci)
- President Donald Trump speaks during a campaign rally at the BOK Center, Saturday, June 20, 2020, in Tulsa, Okla. (AP Photo/Evan Vucci)
- President Donald Trump speaks during a campaign rally at the BOK Center, Saturday, June 20, 2020, in Tulsa, Okla. (AP Photo/Sue Ogrocki)
- President Donald Trump speaks during a campaign rally at the BOK Center, Saturday, June 20, 2020, in Tulsa, Okla. (AP Photo/Sue Ogrocki)
- President Donald Trump supporters listen as Trump speaks during a campaign rally at the BOK Center, Saturday, June 20, 2020, in Tulsa, Okla. (AP Photo/Evan Vucci)
- President Donald Trump arrives on stage to speak at a campaign rally at the BOK Center, Saturday, June 20, 2020, in Tulsa, Okla. (AP Photo/Evan Vucci)
- President Donald Trump arrives on stage to speak at a campaign rally at the BOK Center, Saturday, June 20, 2020, in Tulsa, Okla. (AP Photo/Evan Vucci)