The list of who people lining up to replace Prime Minister Justin Trudeau continues to shift as top Liberal brass meet Thursday to consider the next move.

C anadian Prime Minister Justin Trudeau is stepping down as the leader of the ruling Liberal Party, following months of pressure from partymates to resign amid increasingly poor public approval ratings.

Canadian Prime Minister Justin Trudeau resigned from party leadership Monday, leaving a vacancy at the top of the Liberal Party. Why it matters: The future leader, who will also become prime minister, will navigate rising tensions between the U.S. and Canada.