Complex sentence: After months of speculation, Potter announced on September 10,2007 that he would not run for re-election as mayor of Portland in 2008 citing a desire to spend more time with his family.
Split into simpler sentences: After months of speculation, Potter announced on September 10,2007 that he would not run for re-election as mayor of Portland in 2008. He cited a desire to spend more time with his family.