AMAC reports:

If not for his name, most Democrats would be quick to argue that Robert F. Kennedy, Jr., has nothing going for him in his long-shot primary challenge to Joe Biden. But whispers are beginning to arise that perhaps, just perhaps, Biden and his team should start taking the Kennedy challenge seriously.

Biden’s numbers remain soft, but more worryingly, Kennedy, rather than proving an inexperienced flake, has shown remarkable energy. He clearly takes his bid seriously.

You can read the full opinion piece here.