One of my favorites is: President Grover Cleveland, after leaving office, went to Princeton as a trustee. While there, he had a very, very bitter feud with Wood

One of my favorites is: President Grover Cleveland, after leaving office, went to Princeton as a trustee. While there, he had a very, very bitter feud with Woodrow Wilson over a trivial matter (like most academic feuds). Wilson was so angry he left academia and entered politics.