The press conference is taking place at Westchester County Airport. TPM has a link to a live feed here.
ETA: Conference concluded. Here’s a C-SPAN link in case you missed it.
My favorite part was when Clinton called out Trump about his “secret plan to destroy ISIS” — pointing out that he has no plan. The truth of that was illustrated when Trump responded to Matt Lauer’s question about the secret plan in this exchange, courtesy of TPM:
That’s such absurd, dog-ate-my-homework level bullshit. It would have ended just about any other campaign.