Well, there's at least one BIG reason:
A Connecticut college has warned students interning for late-night, skirt-chasing TV funnyman David Letterman to stay at arm's length from the host.
A rep from Quinnipiac University told the celebrity Web site TMZ that "due to recent circumstances we will have a discussion with those in charge of placing our interns at the David Letterman show in the future."
In the statement, the school added, "We will diligently oversee this internship program to ensure that our interns are out of harm's way."
Read it all here.