US President Donald Trump speaks during a working session with mayors in the East Room of the White House on January 24, 2018 in Washington, DC. Trump said Wednesday he is willing to be questioned under oath by special prosecutor Robert Mueller, who is leading the investigation into collusion between the US president's election campaign and Russia. / AFP PHOTO / MANDEL NGAN (Photo credit should read MANDEL NGAN/AFP/Getty Images)
US President Donald Trump speaks during a working session with mayors in the East Room of the White House on January 24, 2018 in Washington, DC. Trump said Wednesday he is willing to be questioned under oath by special prosecutor Robert Mueller, who is leading the investigation into collusion between the US president's election campaign and Russia. / AFP PHOTO / MANDEL NGAN (Photo credit should read MANDEL NGAN/AFP/Getty Images)
US President Donald Trump speaks during a working session with mayors in the East Room of the White House on January 24, 2018 in Washington, DC. Trump said Wednesday he is willing to be questioned under oath by special prosecutor Robert Mueller, who is leading the investigation into collusion between the US president's election campaign and Russia. / AFP PHOTO / MANDEL NGAN (Photo credit should read MANDEL NGAN/AFP/Getty Images)
US President Donald Trump speaks during a working session with mayors in the East Room of the White House on January 24, 2018 in Washington, DC. / AFP PHOTO / Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/Getty Images)
US President Donald Trump speaks during a working session with mayors in the East Room of the White House on January 24, 2018 in Washington, DC. / AFP PHOTO / Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/Getty Images)
