Complex sentence: Napolitano has never married or had children; as a result, some have quietly questioned her sexuality, including some dirty campaign tricks in 2002 when "vote gay" fliers were posted next to her campaign signs.
Split into simpler sentences: Napolitano has never married or had children; as a result, there has been speculation about her sexual orientation. This included some dirty campaign tricks in 2002 when "vote gay" fliers were posted next to her campaign signs.