Vice President Mike Pence, left, and former VP Joe Biden, attend a swearing-in ceremony for Sen. Doug Jones, D-Ala., and Sen.
Tina Smith, D-Minn., in the Capitol's Old Senate Chamber after the actual event on the senate floor on January 3, 2018. (Pho HARRISBURG, Pa. - Former Vice President Joe Biden will campaign in Pennsylvania on Thursday, the same day that his successor, Mike Pence, will make several stops in the premier presidential battleground state.The men are working the campaign trail in Pennsylvania with fewer than four months until the election, with recent polls showing Biden leading in Pennsylvania.Biden, the presumptive Democratic presidential nominee, on Thursday plans to tour a metal works plant in Dunmore in northeastern.