and that Kucinich tried to pull. (
link) Both Gore and Bradley pulled the same "stunt" in 2000. (
link)
Here's why he couldn't take his name off the ballot in florida:
A candidate's name shall be printed on the Presidential Preference Primary ballot unless the candidate submits an affidavit to the Department of State on or before November 12, 2007 stating that he or she is not now, and does not presently intend to become, a candidate for President at the upcoming nominating convention.
State of Florida Federal Qualifying Handbook, page 2. (
link)