Article Photos: Wis. voters face tight Senate, presidential races 4/12

  Milwaukee Election Commission staffer Marcelo Guardiola sorts absentee ballots, that include a record number of in-person ballots, Monday, Nov. 5, 2012 in Milwaukee. From an appearance by President Barack Obama on Monday morning in Wisconsin to one by Republican vice presidential nominee Paul Ryan at night, Wisconsin was in the campaign crosshairs in final 24 hours before Election Day. (AP Photo/Carrie Antlfinger)