Clark Supports Martin's Decision on BMD Josh Pringle Friday, March 4, 2005 Joe Clark says former Prime Minister Paul Martin did the right thing when he decided Canada would say no to participation in the U-S missile defence program. The former Conservative Prime Minister says there are too many unanswered questions about the U-S plan. Clark compared Martin's decision on Missile Defence to one former Conservative prime minister Brian Mulroney had to make in 1985 when he rejected a U.S. proposal to have Canada take part in its Strategic Defence Initiative.