Complex sentence: She was re-elected as a Republican in 2003, Phil Bryant, who took office in January 2008, and Tate Reeves who was elected in November, 2011 and assumed office on January 10,2012.
Split into simpler sentences: She was re-elected as a Republican in 2003, and currently Phil Bryant, who took office in January 2008. A fourth Republican, Tate Reeves was elected in November, 2011, and assumed office on January 10,2012.