During a press conference earlier in the day, Trump threatened to stop trading with countries that do not reduce barriers to American exports.
The president has imposed steel and aluminium tariffs on every other member of the G-7, citing national security concerns.
Giuliani's statement comes hours after Trump told reporters that Giuliani will "get his facts straight."
During his tenure as CIA director, Pompeo became a trusted advisor of President Donald Trump and has played a key role in preparations for Trump's planned summit with North Korean leader Kim Jong Un.
Four Republicans join 10 Democrats on the Senate Judiciary Committee in voting to advance the bill.
Trump's statement comes after the New York Times reported Friday that the president's lawyers and advisors have become resigned to the possibility that Cohen, who faces steep legal fees, may end up cooperating with federal officials.
Trump has reportedly considered firing Mueller at least twice over the past year, repeatedly slamming the Russia probe as a "witch hunt."
Southwest confirmed that Flight 1380 was diverted to Philadelphia, but did not provide any further information on the reason.