close Top Platner ally tells Fox News Digital that Platner is 'taking accountability' for past 'toxic' behavior Progressive champion Rep. Ro Khanna, a leading Graham Platner supporter, speaks with Fox News Digital about the controversies facing the Maine Democratic Senate candidate. NEW You can now listen to Fox News articles! BAR HARBOR, Maine - Graham Platner's past relationships were "toxic and volatile," Rep. Ro Khanna of California says of the Senate Democratic candidate aiming to unseat