The case for Joseph R. Biden Jr. has always come down to Pennsylvania. …
Mr. Biden’s entry was met, particularly on social media, by a chorus of doubts at times bordering on derision from critics and progressive activists who questioned his age, his status as a white man and his political luggage from more than four decades in public life.
But as Mr. Biden prepares for his first appearance of the campaign, at a union event in Pittsburgh on Monday, interviews across the state last week indicated that he draws from a wellspring of support among three key constituencies crucial to his campaign. He has the potential to attract suburban moderates defecting from the Republican Party under President Trump, to invigorate black voters who were underwhelmed by Hillary Clinton and to reverse at least some losses among working-class white voters. CONT.
Trip Gabriel, New York Times