President Donald Trump said he had a nasty and contentious business relationship with Robert Mueller, and he called on the special counsel to disclose such "conflicts of interest" in one of his most direct attacks on the probe into Russian interference in the 2016 election. Trump did not say what those conflicts were, but he said he turned down Mueller to lead the FBI for a second time before Mueller was appointed special counsel, and that James Comey, whom Trump fired as FBI chief, is Mueller’s "close friend." "Is Robert Mueller ever going to release his conflicts of interest with respect to President Trump, including the fact that we had a very nasty & contentious business relationship," Trump said in a tweet on Sunday, one of many in an active day on Twitter complaining about the investigation, press coverage, and immigration. Trump has escalated his attacks on Mueller and the investigation he repeatedly calls a "witch-hunt," in what is seen as an attempt to influence public opin...

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