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DAVOS, Switzerland:  US Robert Mueller, Director of the Federal Bureau of Investigation (FBI) attends the session "Security is an Always-on World" at the World Economic Forum in Davos 26 January 2006.Tthe World Economic Forum this year is gathering more than 2,300 leaders, officials and executives for five days of high-powered networking.  AFP PHOTO PIERRE VERDY  (Photo credit should read PIERRE VERDY/AFP/Getty Images)

NEW YORK, NY - NOVEMBER 03:  Donald Trump attends a press conference for the release of his new book "Crippled America" at Trump Tower on November 3, 2015 in New York City.  (Photo by Noam Galai/WireImage)
DAVOS, Switzerland:  US Robert Mueller, Director of the Federal Bureau of Investigation (FBI) attends the session "Security is an Always-on World" at the World Economic Forum in Davos 26 January 2006.Tthe World Economic Forum this year is gathering more than 2,300 leaders, officials and executives for five days of high-powered networking.  AFP PHOTO PIERRE VERDY  (Photo credit should read PIERRE VERDY/AFP/Getty Images)

NEW YORK, NY - NOVEMBER 03:  Donald Trump attends a press conference for the release of his new book "Crippled America" at Trump Tower on November 3, 2015 in New York City.  (Photo by Noam Galai/WireImage)

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Trump: I'll talk to Mueller under oath

President Trump tells reporters that he would sit down for an interview with special counsel Robert Mueller under oath.

Trump: I'll talk to Mueller under oath

President Trump tells reporters that he would sit down for an interview with special counsel Robert Mueller under oath.