OK, it turns out that there were already people calling Ronnie the greatest American President of all. Links below.
Lots of people called him the Greatest American President Since Lincoln, or the Greatest American President of the Twentieth Century. Nobody actually came out and said that Lincoln sucked, but then I didn’t dig very deep either. The most famous person so far to call Reagan the greatest President of all was Larry Klayman of Judicial Watch, who is mostly famous for his Clinton-impeachment activities. One admirer proposed replacing the evil French Statue of Liberty with a statue of Ronald Reagan: here’s the Google cache.
One contrarian, however, calls Martin Van Buren the greatest of American Presidents.
Family values: http://www.familyfirst.com/archives/003148.html
Free term paper: http://www.freefortermpapers.com/show_essay/32844.html