Gainesville City Councilman Bob Hamrick shocked his colleagues Tuesday when he announced that he will not seek reelection in November and plans to retire at the end of the year. Hamrick said earlier this spring that he intended to seek another four-year term, but additional health issues have caused a change of heart. “A number of dynamics in my personal life has changed since I announced as a candidate for re-election,” Hamrick said in a prepared statement.