Former prime minister Brian Mulroney at a Senate Foreign Relations Committee hearing, Tues. Jan. 30, 2018, on Capitol Hill in Washington. Mulroney is joining the board of directors of an American cannabis company.

NEW YORK — Former prime minister Brian Mulroney is joining the board of directors of an American cannabis company.

Acreage Holdings, one of the largest vertically integrated cannabis companies in the U.S., says Mulroney will officially become a board member in November, when the company will list in the Canadian Securities Exchange.

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