Prime Minister Mark Carney has created a new advisory committee on economic relations with the United States, and one member says Canada must be cautious in trade talks. Former federal transport minister Lisa Raitt warns that the Canada-U.S. relationship must continue in a positive way, even as Ottawa and Washington trade barbs. Also, editorial cartoonists have no shortage of material these days as political temperatures rise. Award-winning Canadian cartoonists Michael de Adder and Terry "Aislin" Mosher explain the challenges and goals of their sharp artwork.