Did he or didn't he sacrafice his son? no he didn't. At that period in time, human sacrifice was an acceptable form of worship. The Jewish G-d wanted it to change. Judaism is a religion that most others are based on. The end result of not sacrificing Isaac was the result.
Three minors arrested in Jaffa for throwing rocks at a bus; no injuries reported (Haaretz)
from the article: And supposing they did drink blood?