(Susan Walsh | Associated Press file photo) In this Dec. 8, 2018, file photo, President Donald Trump, center, stands with Defense Secretary Jim Mattis, left of Trump, during the pregame ceremonies at the Army-Navy football game in Philadelphia. As the first two years of President Donald Trump’s administration close, Republican allies still haven’t figured out how best to influence a leader who takes cues from the forces that swept him to office and seems to fear losing them above all else.