The upper section is seen partially empty as US President Donald Trump speaks during a campaign rally at the BOK Center on June 20, 2020 in Tulsa, Oklahoma. (Photo by NICHOLAS KAMM/AFP via Getty Images)

The upper section is seen partially empty as US President Donald Trump speaks during a campaign rally at the BOK Center on June 20, 2020 in Tulsa, Oklahoma. – Hundreds of supporters lined up early for Donald Trump’s first political rally in months, saying the risk of contracting COVID-19 in a big, packed arena would not keep them from hearing the president’s campaign message. (Photo by Nicholas Kamm / AFP) (Photo by NICHOLAS KAMM/AFP via Getty Images)