Voting in the Liberal leadership contest to select Prime Minister Justin Trudeau’s successor is now open, but some party members say registering is a headache.

The four candidates vying to become the next leader of Canada’s Liberal party have made the case during a debate why they are best suited to deal with U.S.

The state of the Canadian economy and U.S. President Donald Trump's trade threats topped the agenda for the Liberal party's English language leadership debate, the second in as many days and the last of the campaign.