McCain panicked two weeks into the first Afghanistan campaign, saying we had to immediately send in more troops. Shortly thereafter, Kabul and Kandahar fell. Better than Obama but still a lame prospective CIC.
Yet we didn't have enough troops to consolidate those victories, something we are paying for to this day.
I was willing to give Rumsfeld's visions for the military a chance - but that vision was proven wrong by events, but Rummy refused to change his vision - the sign of a flawed leader.