Complex sentence: He is a current member of the Canadian House of Commons, representing the riding of Niagara Falls for the Conservative Party and the former Minister of National Defence, Minister of Justice, and Leader of the Government in the House of Commons.
Split into simpler sentences: He is a current member of the Canadian House of Commons, representing the riding of Niagara Falls for the Conservative Party. He previously served as Minister of National Defence, Minister of Justice, and Leader of the Government in the House of Commons.