Hackers reportedly had access to former President Donald Trump’s campaign systems through mid-September, and evidence suggests the breach may still be ongoing.... ... journalist Judd Legum detailed in his Popular Information newsletter on Tuesday that he received a further set of documents from an anonymous source named “Robert,” which he said included internal campaign files. While some of these documents held potential news value, one newly surfaced document, dated September 15, indicates the hack is both more recent and extensive than initially thought. The new document is a letter from the campaign and addressed to the New York Times...A source...