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Here’s what you need to know:

Former Trump aide to plead guilty

• In a sign that he’s cooperating with the special counsel’s Russia investigation, Rick Gates, the former deputy campaign chairman for Donald Trump, is expected to plead guilty as soon as this afternoon, according to two people familiar with his plea agreement.

Mr. Gates and his business partner, Paul Manafort, who was Mr. Trump’s former campaign chairman, faced dozens of additional charges of money laundering and bank fraud as part of an indictment unsealed on Thursday. The special counsel, Robert Mueller, indicted both men on similar charges in October.