Complex sentence: On May 18,2009, McCollum announced his candidacy for Governor of Florida to succeed Charlie Crist, who is in his own race for a seat in the U.S. Senate.
Split into simpler sentences: On May 18,2009 McCollum announced his candidacy for Governor of Florida. The election will determine who will succeed Charlie Crist who is in his own race for a seat in the U.S. Senate.