Here’s what to expect at the polls in Allegheny County:U.S. Presidential CandidatesHillary Clinton and Tim Kaine (D)Clinton served as New York’s first female senator from 2001 to 2009. She ran for president in 2008, but lost the Democratic nomination to current President Barack Obama. Clinton served as U.S. secretary of state from 2009 to 2013. As a lawyer, a first lady and a senator, Clinton has focused on children’s rights, working for the Children’s Defense Fund after law school and helping t