Biden Backers Say Campaign Is Bungling New Hampshire Effort

Several of Joe Biden’s most prominent endorsers in New Hampshire have been quietly signaling for weeks that the campaign needs to make changes if it wants to win the first-in-the-nation primary, interviews with Democrats directly familiar with the state operation reveal.

Up until recently, Biden had maintained a comfortable standing in early polls in New Hampshire. But that advantage has disappeared amid the growing momentum and war chests of two neighboring state rivals, and now, as the official filing date for the primary kicked off on Wednesday, his early...