H.R. McMaster confirmed that Gary Cohn took documents off of President Donald Trump's desk that would have pulled the US out of a major trade deal with South Korea.
The explosive story was a key detail in veteran journalist Bob Woodward's new book, "Fear: Trump in the White House."
But McMaster argued that the move was not designed to hide the document from Trump.
The White House and Trump have pushed back on Woodward's reporting.
H.R. McMaster, President Donald Trump's former national security...