President Biden said he plans to campaign for Democrat presidential candidate Vice President Harris in Pennsylvania, a key battleground state in the November election.Biden spoke with CBS’s Robert Costa on “Sunday Morning,” making it the first interview since he announced in late July that he was bowing out of the presidential race against former President Trump.During the interview, Costa asked the president if the public would see him out on the campaign trail for Harris.“Yes, you will,” Biden said, adding that he talks to Harris all the time.PRESIDENT BIDEN ADMITS PRESSURE FROM DEMOCRATS CONTRIBUTED TO DECISION TO DROP OUTBiden then spoke about her running mate, Minnesota Gov. Tim Walz, calling him a “great guy” who, had they gro …