A Steep Learning Curve

On Feb 7, 1965 in Pleiku, Viet Cong killed/wounded 100+ Americans, destroyed 10 aircraft. “Best and Brightest” to LBJ: (1) 1965, launch wide air attacks on N Vietnam; (2) 1968, sorry, we were wrong; stop, negotiate.” W/Trump advisers: is learning curve just as steep after 60 yrs?