For 10 points, name this leader of the Conservative Party, who in 2006 succeeded Paul Martin as prime minister of Canada.
In 2008, this national leader took the unusual step of filing a lawsuit against the opposition party for libel, after that party accused this man of helping to bribe former Parliament member Chuck Cadman. This economist's party is also accused of overseeing the "in and out scheme" to circumvent campaign finance laws, but nonetheless has avoided a new election despite the threats of his opposition counterpart, Stéphane Dion. For 10 points, name this leader of the Conservative Party, who in 2006 succeeded Paul Martin as prime minister of Canada.
In 2008, this national leader took the unusual step of filing a lawsuit against the opposition party for libel, after that party accused this man of helping to bribe former Parliament member Chuck Cadman.
Stephen {Harper}