Former President Donald Trump’s campaign said Saturday that its internal communications were hacked and blamed the cyberattack on “foreign sources hostile to the United States.” The acknowledgement from campaign spokesperson Steven Cheung came after Politico reportedly received a series of emails that apparenlty came from the account of a senior Trump campaign official. The emails included a 271-page compilation of research on Trump’s running mate, Ohio Sen. JD Vance, Politico said. The dossier, dated Feb. 23, was based on publicly available information about Vance’s history and past statement…