File photo shows then-presidential candidate Donald Trump participating in a roundtable discussion on national security in his offices at Trump Tower in New York on Aug. 17, 2016. From left are Ret. Army Gen. Mike Flynn, Trump, Ret. Army Lt. Gen. Keith Kellogg and Sen. Jeff Sessions.
File photo shows then-presidential candidate Donald Trump participating in a roundtable discussion on national security in his offices at Trump Tower in New York on Aug. 17, 2016. From left are Ret. Army Gen. Mike Flynn, Trump, Ret. Army Lt. Gen. Keith Kellogg and Sen. Jeff Sessions. Gerald Herbert AP File
File photo shows then-presidential candidate Donald Trump participating in a roundtable discussion on national security in his offices at Trump Tower in New York on Aug. 17, 2016. From left are Ret. Army Gen. Mike Flynn, Trump, Ret. Army Lt. Gen. Keith Kellogg and Sen. Jeff Sessions. Gerald Herbert AP File