Another article. More experts than on this thread. As a side note: Jewish Rabbi are typically significantly better at circumcision than most doctors because they practice it way more often. I just know a friend who had a rabbi perform the procedure while the doctor did everything else. Odd? Probably.
Bottom line, educate yourself on the facts and then decide. Dont worry about bullying because it will come regardless. Train your boy on how to deal with bullying. Best wishes.