It's the very question that has the whole White House on edge. McMaster, but has not settled on the exact timing or a successor, said four people with knowledge of White House deliberations. She reiterated that message at a press briefing on Friday, telling reporters there were no immediate personnel changes expected. Trump reshaping his administrationThis account of the tensions in the White House is based on conversations with 10 officials inside the White House and familiar with West Wing deliberations. Policy clashes with McMasterTrump chafes at McMaster's demeanour, complaining that his aide lectures him, according to three current and former administration officials.

Source: CBC News March 16, 2018 13:59 UTC