We have waited 7,629 days since 9/11, almost 21 years, to announce the death of Ayman al-Zawahri, an eye surgeon who was the No. 2 man and power behind the throne of Osama Bin Laden’s al-Qaida. Truly a Dr. Evil, this now satisfyingly dead Egyptian violated his medical oath as a healer and brought death on every continent. Being on the hot end of a U.S. drone in Afghanistan was a fine way to send this 71-year-old to his grave. As Lawrence Wright explained in his 2006 book, “The Looming Tower,” al-Zawahri was al-Qaida before al-Qaida and before (and after) Bin Laden was on the scene. He was a ra…