text:  I'm very concerned. I'm concerned because we need to make sure we run the candidate who's going to win, period. This is Lisa Bodwin of Concord, who's worried that Biden can't win. She calls his faltering debate performance unsettling, and she's worried that he's losing those independents, New Hampshire's largest share of voters who tend to be politically moderate. If people in the middle don't believe that Biden can be a strong and capable leader...