article_snippet.sent: Rivalries: Boylepictured) have been at the center of a political row .
article_snippet.sent: Boyle and Mike Stack, both Democrats, are at the center of a political struggle over who will take over the seat in Pennsylvania's state senate which Stack vacated to become Lieutenant Governor in January.
article_snippet.sent: Ultimately, Stack's 'handpicked' candidate was chosen to contest the election, but lost to a Republican, Philly.com reported.
article_snippet.sent: We have to be civil about We differences in politics.'
highlights_snippet.sent: Boyle and Stack, both Democrats, have been in political power struggles .
  
highlights_snippet.sent: Backed separate candidates for seats in house legislature .