(CNN) Special counsel Robert Mueller's team continues to be interested in interviewing the President Donald Trump, two sources familiar with the matter tell CNN.

Mueller's stance on interviewing the President has been constant for a year and a half, one of the sources said.

"Nothing has changed in that sense from the first day," the source said.

Trump and his lawyers are still opposed to any interview.

The President's legal team has resumed some discussion with the special counsel in the weeks since Trump responded to written questions, mostly regarding possible collusion and the period before the inauguration, the two sources said.

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