During a feisty press conference, the president claimed that his administration is running like a "fine-tuned machine."
It was not immediately clear if Harward, a former deputy commander of U.S. Central Command who has Navy SEAL combat experience, had accepted the offer, according to sources.
Trump's fellow Republicans control majorities in both the Senate and House. To date, congressional leaders have not moved to advance any new legislation related to sanctions on Russia.
Sources said the interceptions include at least one contact between former National Security Adviser Michael Flynn and a Russian official based in the U.S.
The proof? Intercepted phone calls and telephone records, former and current American officials told The New York Times.
Retired Lieutenant General Keith Kellogg will act as interim national security adviser.
The White House was told in late January that Flynn had been misleading about what he told the Russian ambassador to the U.S.
New revelations on the Trump adviser's Russia dealings prompt Democratic demands for his removal.
Iran's defense minister said the test did not breach the Islamic Republic's nuclear agreement with world powers or a U.N. Security Council resolution endorsing the pact.
Military and intelligence chiefs are swapped out for Trump political adviser Steve Bannon, per an executive order.
Lieutenant Colonel Anthony Shaffer has fueled years of conspiracy theories with his charge that officials ignored his intelligence on the 9/11 plotters.
I wish Flynn had never said that Islam itself should be feared.
Mike Pence's absence from the RNC speakers' list has increased speculation that he will be Donald Trump's running mate.