The White House announced Thursday that former U.S. Ambassador to the United Nations John Bolton will replace Lt. Gen. H.R. McMaster as President Donald Trump's national security adviser.
A White House National Security Council official has charged that leftist opponents of President Trump are engaged in political warfare operations designed to subvert his presidency and drive him from office.
Former U.S. President Barack Obama warned then-President-elect Donald Trump not to give the post of national security adviser in his administration to Michael Flynn who was eventually fired in a controversy about ties to Russia, a former Obama aide said.
Susan Rice, former President Obama's national security adviser, declined an invitation to testify before a Senate subcommittee on Russian interference in the 2016 presidential election.